diff --git a/go.mod b/go.mod
index 38b85bcd58a..09e9612ce5e 100644
--- a/go.mod
+++ b/go.mod
@@ -75,7 +75,7 @@ require (
 	github.com/prometheus/otlptranslator v0.0.0-20250501145537-53ceaec28820
 	github.com/prometheus/procfs v0.15.1
 	github.com/shirou/gopsutil/v4 v4.24.12
-	github.com/thanos-io/objstore v0.0.0-20250129163715-ec72e5a88a79
+	github.com/thanos-io/objstore v0.0.0-20250317105316-a0136a6f898d
 	github.com/tjhop/slog-gokit v0.1.4
 	github.com/twmb/franz-go v1.19.1
 	github.com/twmb/franz-go/pkg/kadm v1.15.0
diff --git a/go.sum b/go.sum
index c45e5c64c94..235e5718d3c 100644
--- a/go.sum
+++ b/go.sum
@@ -1010,8 +1010,8 @@ github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf
 github.com/subosito/gotenv v1.4.1/go.mod h1:ayKnFf/c6rvx/2iiLrJUk1e6plDbT3edrFNGqEflhK0=
 github.com/tencentyun/cos-go-sdk-v5 v0.7.40 h1:W6vDGKCHe4wBACI1d2UgE6+50sJFhRWU4O8IB2ozzxM=
 github.com/tencentyun/cos-go-sdk-v5 v0.7.40/go.mod h1:4dCEtLHGh8QPxHEkgq+nFaky7yZxQuYwgSJM87icDaw=
-github.com/thanos-io/objstore v0.0.0-20250129163715-ec72e5a88a79 h1:sVc5fCMlPFEZfhIfdiEJqMmNIP3sEnRZv9K83Nz/mR8=
-github.com/thanos-io/objstore v0.0.0-20250129163715-ec72e5a88a79/go.mod h1:Quz9HUDjGidU0RQpoytzK4KqJ7kwzP+DMAm4K57/usM=
+github.com/thanos-io/objstore v0.0.0-20250317105316-a0136a6f898d h1:L4k+8i1cl0h3MscslVUAcBpvA5i9UYzE0DybcOxzvlM=
+github.com/thanos-io/objstore v0.0.0-20250317105316-a0136a6f898d/go.mod h1:Nmy3+M2UM7wu2sEvg0h5M/c3mu1QaxmdyPvoGUPGlaU=
 github.com/tinylib/msgp v1.1.8/go.mod h1:qkpG+2ldGg4xRFmx+jfTvZPxfGFhi64BcnL9vkCm/Tw=
 github.com/tjhop/slog-gokit v0.1.4 h1:uj/vbDt3HaF0Py8bHPV4ti/s0utnO0miRbO277FLBKM=
 github.com/tjhop/slog-gokit v0.1.4/go.mod h1:Bbu5v2748qpAWH7k6gse/kw3076IJf6owJmh7yArmJs=
diff --git a/pkg/ingester/shipper_test.go b/pkg/ingester/shipper_test.go
index 329d1aff8d8..79011cb101f 100644
--- a/pkg/ingester/shipper_test.go
+++ b/pkg/ingester/shipper_test.go
@@ -170,8 +170,8 @@ type deceivingUploadBucket struct {
 	objectBaseName string
 }
 
-func (b deceivingUploadBucket) Upload(ctx context.Context, name string, r io.Reader) error {
-	actualErr := b.Bucket.Upload(ctx, name, r)
+func (b deceivingUploadBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
+	actualErr := b.Bucket.Upload(ctx, name, r, opts...)
 	if actualErr != nil {
 		return actualErr
 	} else if path.Base(name) == b.objectBaseName {
diff --git a/pkg/mimirtool/commands/bucket_validation.go b/pkg/mimirtool/commands/bucket_validation.go
index 8608b4ec980..cca1ca0f3ee 100644
--- a/pkg/mimirtool/commands/bucket_validation.go
+++ b/pkg/mimirtool/commands/bucket_validation.go
@@ -65,8 +65,8 @@ func (c *retryingBucketClient) withRetries(f func() error) error {
 	}
 }
 
-func (c *retryingBucketClient) Upload(ctx context.Context, name string, r io.Reader) error {
-	return c.withRetries(func() error { return c.Bucket.Upload(ctx, name, r) })
+func (c *retryingBucketClient) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
+	return c.withRetries(func() error { return c.Bucket.Upload(ctx, name, r, opts...) })
 }
 
 func (c *retryingBucketClient) Exists(ctx context.Context, name string) (bool, error) {
diff --git a/pkg/storage/bucket/client_mock.go b/pkg/storage/bucket/client_mock.go
index a978d79b432..178a660a0d1 100644
--- a/pkg/storage/bucket/client_mock.go
+++ b/pkg/storage/bucket/client_mock.go
@@ -29,13 +29,13 @@ func (m *ClientMock) Provider() objstore.ObjProvider {
 }
 
 // Upload mocks objstore.Bucket.Upload()
-func (m *ClientMock) Upload(ctx context.Context, name string, r io.Reader) error {
-	args := m.Called(ctx, name, r)
+func (m *ClientMock) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
+	args := m.Called(ctx, name, r, opts)
 	return args.Error(0)
 }
 
 func (m *ClientMock) MockUpload(name string, err error) {
-	m.On("Upload", mock.Anything, name, mock.Anything).Return(err)
+	m.On("Upload", mock.Anything, name, mock.Anything, mock.Anything).Return(err)
 }
 
 // Delete mocks objstore.Bucket.Delete()
diff --git a/pkg/storage/bucket/delayed_bucket_client.go b/pkg/storage/bucket/delayed_bucket_client.go
index e4b534674f3..606d73187cf 100644
--- a/pkg/storage/bucket/delayed_bucket_client.go
+++ b/pkg/storage/bucket/delayed_bucket_client.go
@@ -36,11 +36,11 @@ func (m *DelayedBucketClient) Provider() objstore.ObjProvider {
 	return m.wrapped.Provider()
 }
 
-func (m *DelayedBucketClient) Upload(ctx context.Context, name string, r io.Reader) error {
+func (m *DelayedBucketClient) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
 	m.delay()
 	defer m.delay()
 
-	return m.wrapped.Upload(ctx, name, r)
+	return m.wrapped.Upload(ctx, name, r, opts...)
 }
 
 func (m *DelayedBucketClient) Delete(ctx context.Context, name string) error {
diff --git a/pkg/storage/bucket/error_injected_bucket_client.go b/pkg/storage/bucket/error_injected_bucket_client.go
index b1373282b55..d93952e15de 100644
--- a/pkg/storage/bucket/error_injected_bucket_client.go
+++ b/pkg/storage/bucket/error_injected_bucket_client.go
@@ -57,11 +57,11 @@ func (b *ErrorInjectedBucketClient) Exists(ctx context.Context, name string) (bo
 	return b.Bucket.Exists(ctx, name)
 }
 
-func (b *ErrorInjectedBucketClient) Upload(ctx context.Context, name string, r io.Reader) error {
+func (b *ErrorInjectedBucketClient) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
 	if err := b.injectError(OpUpload, name); err != nil {
 		return err
 	}
-	return b.Bucket.Upload(ctx, name, r)
+	return b.Bucket.Upload(ctx, name, r, opts...)
 }
 
 func (b *ErrorInjectedBucketClient) Delete(ctx context.Context, name string) error {
diff --git a/pkg/storage/bucket/prefixed_bucket_client.go b/pkg/storage/bucket/prefixed_bucket_client.go
index e953c37ba35..94cbfe706ee 100644
--- a/pkg/storage/bucket/prefixed_bucket_client.go
+++ b/pkg/storage/bucket/prefixed_bucket_client.go
@@ -40,8 +40,8 @@ func (b *PrefixedBucketClient) Provider() objstore.ObjProvider {
 }
 
 // Upload the contents of the reader as an object into the bucket.
-func (b *PrefixedBucketClient) Upload(ctx context.Context, name string, r io.Reader) (err error) {
-	err = b.bucket.Upload(ctx, b.fullName(name), r)
+func (b *PrefixedBucketClient) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) (err error) {
+	err = b.bucket.Upload(ctx, b.fullName(name), r, opts...)
 	return
 }
 
diff --git a/pkg/storage/bucket/sse_bucket_client.go b/pkg/storage/bucket/sse_bucket_client.go
index b19e1eac99b..54330ea23ce 100644
--- a/pkg/storage/bucket/sse_bucket_client.go
+++ b/pkg/storage/bucket/sse_bucket_client.go
@@ -56,7 +56,7 @@ func (b *SSEBucketClient) Provider() objstore.ObjProvider {
 }
 
 // Upload the contents of the reader as an object into the bucket.
-func (b *SSEBucketClient) Upload(ctx context.Context, name string, r io.Reader) error {
+func (b *SSEBucketClient) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
 	if sse, err := b.getCustomS3SSEConfig(); err != nil {
 		return err
 	} else if sse != nil {
@@ -65,7 +65,7 @@ func (b *SSEBucketClient) Upload(ctx context.Context, name string, r io.Reader)
 		ctx = s3.ContextWithSSEConfig(ctx, sse)
 	}
 
-	return b.bucket.Upload(ctx, name, r)
+	return b.bucket.Upload(ctx, name, r, opts...)
 }
 
 // Delete implements objstore.Bucket.
diff --git a/pkg/storage/tsdb/block/block_test.go b/pkg/storage/tsdb/block/block_test.go
index cf01d494be0..7e61fca3cb8 100644
--- a/pkg/storage/tsdb/block/block_test.go
+++ b/pkg/storage/tsdb/block/block_test.go
@@ -509,8 +509,8 @@ type errBucket struct {
 	failSuffix string
 }
 
-func (eb errBucket) Upload(ctx context.Context, name string, r io.Reader) error {
-	err := eb.Bucket.Upload(ctx, name, r)
+func (eb errBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
+	err := eb.Bucket.Upload(ctx, name, r, opts...)
 	if err != nil {
 		return err
 	}
diff --git a/pkg/storage/tsdb/block/global_markers_bucket_client.go b/pkg/storage/tsdb/block/global_markers_bucket_client.go
index 48e32135f6c..f5294d59b4b 100644
--- a/pkg/storage/tsdb/block/global_markers_bucket_client.go
+++ b/pkg/storage/tsdb/block/global_markers_bucket_client.go
@@ -35,10 +35,10 @@ func (b *globalMarkersBucket) Provider() objstore.ObjProvider {
 }
 
 // Upload implements objstore.Bucket.
-func (b *globalMarkersBucket) Upload(ctx context.Context, name string, r io.Reader) error {
+func (b *globalMarkersBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
 	globalMarkPath := getGlobalMarkPathFromBlockMark(name)
 	if globalMarkPath == "" {
-		return b.parent.Upload(ctx, name, r)
+		return b.parent.Upload(ctx, name, r, opts...)
 	}
 
 	// Read the marker.
@@ -48,12 +48,12 @@ func (b *globalMarkersBucket) Upload(ctx context.Context, name string, r io.Read
 	}
 
 	// Upload it to the original location.
-	if err := b.parent.Upload(ctx, name, bytes.NewReader(body)); err != nil {
+	if err := b.parent.Upload(ctx, name, bytes.NewReader(body), opts...); err != nil {
 		return err
 	}
 
 	// Upload it to the global markers location too.
-	return b.parent.Upload(ctx, globalMarkPath, bytes.NewReader(body))
+	return b.parent.Upload(ctx, globalMarkPath, bytes.NewReader(body), opts...)
 }
 
 // Delete implements objstore.Bucket.
diff --git a/pkg/storage/tsdb/bucketcache/caching_bucket.go b/pkg/storage/tsdb/bucketcache/caching_bucket.go
index 0074f605b4b..db4d21c0d2b 100644
--- a/pkg/storage/tsdb/bucketcache/caching_bucket.go
+++ b/pkg/storage/tsdb/bucketcache/caching_bucket.go
@@ -166,10 +166,10 @@ func NewCachingBucket(bucketID string, bucketClient objstore.Bucket, cfg *Cachin
 	return cb, nil
 }
 
-func (cb *CachingBucket) Upload(ctx context.Context, name string, r io.Reader) error {
+func (cb *CachingBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
 	keyGen := newCacheKeyBuilder(cb.bucketID, name)
 	cb.invalidation.start(ctx, name, keyGen)
-	err := cb.Bucket.Upload(ctx, name, r)
+	err := cb.Bucket.Upload(ctx, name, r, opts...)
 	if err == nil {
 		cb.invalidation.finish(ctx, name, keyGen)
 	}
diff --git a/vendor/github.com/thanos-io/objstore/CHANGELOG.md b/vendor/github.com/thanos-io/objstore/CHANGELOG.md
index b8be4db2a2e..6fee1ccd411 100644
--- a/vendor/github.com/thanos-io/objstore/CHANGELOG.md
+++ b/vendor/github.com/thanos-io/objstore/CHANGELOG.md
@@ -9,6 +9,7 @@ NOTE: As semantic versioning states all 0.y.z releases can contain breaking chan
 We use *breaking :warning:* to mark changes that are not backward compatible (relates only to v0.y.z releases.)
 
 ## Unreleased
+- [#165](https://github.com/thanos-io/objstore/pull/165) GCS: Upgrade cloud.google.com/go/storage version to `v1.50.0`.
 - [#38](https://github.com/thanos-io/objstore/pull/38) GCS: Upgrade cloud.google.com/go/storage version to `v1.43.0`.
 - [#145](https://github.com/thanos-io/objstore/pull/145) Include content length in the response of Get and GetRange.
 - [#157](https://github.com/thanos-io/objstore/pull/157) Azure: Add `az_tenant_id`, `client_id` and `client_secret` configs.
@@ -70,7 +71,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#70](https://github.com/thanos-io/objstore/pull/70) GCS: Update cloud.google.com/go/storage version to `v1.27.0`.
 - [#71](https://github.com/thanos-io/objstore/pull/71) Replace method `IsCustomerManagedKeyError` for a more generic `IsAccessDeniedErr` on the bucket interface.
 - [#89](https://github.com/thanos-io/objstore/pull/89) GCS: Upgrade cloud.google.com/go/storage version to `v1.35.1`.
-- [#123](https://github.com/thanos-io/objstore/pull/123) *: Upgrade minio-go version to `v7.0.71`.
+- [#123](https://github.com/thanos-io/objstore/pull/123) *: Upgrade minio-go version to `v7.0.72`.
 - [#132](https://github.com/thanos-io/objstore/pull/132) s3: Upgrade aws-sdk-go-v2/config version to `v1.27.30`
 
 ### Removed
diff --git a/vendor/github.com/thanos-io/objstore/README.md b/vendor/github.com/thanos-io/objstore/README.md
index 516d10705be..ad65b538d93 100644
--- a/vendor/github.com/thanos-io/objstore/README.md
+++ b/vendor/github.com/thanos-io/objstore/README.md
@@ -670,6 +670,7 @@ config:
     max_conns_per_host: 0         // Optional maximum total number of connections per host.
     disable_compression: false    // Optional. If true, prevents the Transport from requesting compression.
     client_timeout: 90s           // Optional time limit for requests made by the HTTP Client.
+prefix: ""
 ```
 
 #### Instance Principal Provider
@@ -682,6 +683,7 @@ config:
   provider: "instance-principal"
   bucket: ""
   compartment_ocid: ""
+prefix: ""
 ```
 
 You can also include any of the optional configuration just like the example in `Default Provider`.
@@ -702,6 +704,7 @@ config:
   fingerprint: ""
   privatekey: ""
   passphrase: ""         // Optional passphrase to encrypt the private API Signing key
+prefix: ""
 ```
 
 You can also include any of the optional configuration just like the example in `Default Provider`.
@@ -716,6 +719,7 @@ config:
   provider: "oke-workload-identity"
   bucket: ""
   region: ""
+prefix: ""
 ```
 
 The `bucket` and `region` fields are required. The `region` field identifies the bucket region.
diff --git a/vendor/github.com/thanos-io/objstore/inmem.go b/vendor/github.com/thanos-io/objstore/inmem.go
index 6a34406661f..97e5f8b0d79 100644
--- a/vendor/github.com/thanos-io/objstore/inmem.go
+++ b/vendor/github.com/thanos-io/objstore/inmem.go
@@ -213,7 +213,7 @@ func (b *InMemBucket) Attributes(_ context.Context, name string) (ObjectAttribut
 }
 
 // Upload writes the file specified in src to into the memory.
-func (b *InMemBucket) Upload(_ context.Context, name string, r io.Reader) error {
+func (b *InMemBucket) Upload(_ context.Context, name string, r io.Reader, _ ...ObjectUploadOption) error {
 	b.mtx.Lock()
 	defer b.mtx.Unlock()
 	body, err := io.ReadAll(r)
diff --git a/vendor/github.com/thanos-io/objstore/objstore.go b/vendor/github.com/thanos-io/objstore/objstore.go
index 86ecfa26814..bdbb52a390f 100644
--- a/vendor/github.com/thanos-io/objstore/objstore.go
+++ b/vendor/github.com/thanos-io/objstore/objstore.go
@@ -62,7 +62,7 @@ type Bucket interface {
 
 	// Upload the contents of the reader as an object into the bucket.
 	// Upload should be idempotent.
-	Upload(ctx context.Context, name string, r io.Reader) error
+	Upload(ctx context.Context, name string, r io.Reader, opts ...ObjectUploadOption) error
 
 	// Delete removes the object with the given name.
 	// If object does not exist in the moment of deletion, Delete should throw error.
@@ -196,6 +196,26 @@ func ApplyIterOptions(options ...IterOption) IterParams {
 	return out
 }
 
+type UploadObjectParams struct {
+	ContentType string
+}
+
+type ObjectUploadOption func(f *UploadObjectParams)
+
+func WithContentType(contentType string) ObjectUploadOption {
+	return func(f *UploadObjectParams) {
+		f.ContentType = contentType
+	}
+}
+
+func ApplyObjectUploadOptions(opts ...ObjectUploadOption) UploadObjectParams {
+	out := UploadObjectParams{}
+	for _, opt := range opts {
+		opt(&out)
+	}
+	return out
+}
+
 // DownloadOption configures the provided params.
 type DownloadOption func(params *downloadParams)
 
@@ -747,7 +767,7 @@ func (b *metricBucket) Exists(ctx context.Context, name string) (bool, error) {
 	return ok, nil
 }
 
-func (b *metricBucket) Upload(ctx context.Context, name string, r io.Reader) error {
+func (b *metricBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...ObjectUploadOption) error {
 	const op = OpUpload
 	b.metrics.ops.WithLabelValues(op).Inc()
 
@@ -765,7 +785,7 @@ func (b *metricBucket) Upload(ctx context.Context, name string, r io.Reader) err
 		b.metrics.opsTransferredBytes,
 	)
 	defer trc.Close()
-	err := b.bkt.Upload(ctx, name, trc)
+	err := b.bkt.Upload(ctx, name, trc, opts...)
 	if err != nil {
 		if !b.metrics.isOpFailureExpected(err) && ctx.Err() != context.Canceled {
 			b.metrics.opsFailures.WithLabelValues(op).Inc()
diff --git a/vendor/github.com/thanos-io/objstore/prefixed_bucket.go b/vendor/github.com/thanos-io/objstore/prefixed_bucket.go
index a37450ca870..608688551a8 100644
--- a/vendor/github.com/thanos-io/objstore/prefixed_bucket.go
+++ b/vendor/github.com/thanos-io/objstore/prefixed_bucket.go
@@ -101,8 +101,8 @@ func (p *PrefixedBucket) Attributes(ctx context.Context, name string) (ObjectAtt
 
 // Upload the contents of the reader as an object into the bucket.
 // Upload should be idempotent.
-func (p *PrefixedBucket) Upload(ctx context.Context, name string, r io.Reader) error {
-	return p.bkt.Upload(ctx, conditionalPrefix(p.prefix, name), r)
+func (p *PrefixedBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...ObjectUploadOption) error {
+	return p.bkt.Upload(ctx, conditionalPrefix(p.prefix, name), r, opts...)
 }
 
 // Delete removes the object with the given name.
diff --git a/vendor/github.com/thanos-io/objstore/providers/azure/azure.go b/vendor/github.com/thanos-io/objstore/providers/azure/azure.go
index 05fbdb55c0c..f3b891ecad3 100644
--- a/vendor/github.com/thanos-io/objstore/providers/azure/azure.go
+++ b/vendor/github.com/thanos-io/objstore/providers/azure/azure.go
@@ -365,12 +365,17 @@ func (b *Bucket) Exists(ctx context.Context, name string) (bool, error) {
 }
 
 // Upload the contents of the reader as an object into the bucket.
-func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader) error {
+func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader, uploadOpts ...objstore.ObjectUploadOption) error {
 	level.Debug(b.logger).Log("msg", "uploading blob", "blob", name)
 	blobClient := b.containerClient.NewBlockBlobClient(name)
+
+	uploadOptions := objstore.ApplyObjectUploadOptions(uploadOpts...)
 	opts := &blockblob.UploadStreamOptions{
 		BlockSize:   3 * 1024 * 1024,
 		Concurrency: 4,
+		HTTPHeaders: &blob.HTTPHeaders{
+			BlobContentType: &uploadOptions.ContentType,
+		},
 	}
 	if _, err := blobClient.UploadStream(ctx, r, opts); err != nil {
 		return errors.Wrapf(err, "cannot upload Azure blob, address: %s", name)
diff --git a/vendor/github.com/thanos-io/objstore/providers/filesystem/filesystem.go b/vendor/github.com/thanos-io/objstore/providers/filesystem/filesystem.go
index df602877be8..3717cf3d516 100644
--- a/vendor/github.com/thanos-io/objstore/providers/filesystem/filesystem.go
+++ b/vendor/github.com/thanos-io/objstore/providers/filesystem/filesystem.go
@@ -247,7 +247,7 @@ func (b *Bucket) Exists(ctx context.Context, name string) (bool, error) {
 }
 
 // Upload writes the file specified in src to into the memory.
-func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader) (err error) {
+func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader, _ ...objstore.ObjectUploadOption) (err error) {
 	if ctx.Err() != nil {
 		return ctx.Err()
 	}
diff --git a/vendor/github.com/thanos-io/objstore/providers/gcs/gcs.go b/vendor/github.com/thanos-io/objstore/providers/gcs/gcs.go
index b89f8735bc5..484e33a9168 100644
--- a/vendor/github.com/thanos-io/objstore/providers/gcs/gcs.go
+++ b/vendor/github.com/thanos-io/objstore/providers/gcs/gcs.go
@@ -332,13 +332,15 @@ func (b *Bucket) Exists(ctx context.Context, name string) (bool, error) {
 }
 
 // Upload writes the file specified in src to remote GCS location specified as target.
-func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader) error {
+func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
 	w := b.bkt.Object(name).NewWriter(ctx)
 
+	uploadOpts := objstore.ApplyObjectUploadOptions(opts...)
 	// if `chunkSize` is 0, we don't set any custom value for writer's ChunkSize.
 	// It uses whatever the default value https://pkg.go.dev/google.golang.org/cloud/storage#Writer
 	if b.chunkSize > 0 {
 		w.ChunkSize = b.chunkSize
+		w.ContentType = uploadOpts.ContentType
 	}
 
 	if _, err := io.Copy(w, r); err != nil {
diff --git a/vendor/github.com/thanos-io/objstore/providers/s3/s3.go b/vendor/github.com/thanos-io/objstore/providers/s3/s3.go
index 62107ec4828..5c8cd9531bc 100644
--- a/vendor/github.com/thanos-io/objstore/providers/s3/s3.go
+++ b/vendor/github.com/thanos-io/objstore/providers/s3/s3.go
@@ -532,7 +532,7 @@ func (b *Bucket) Exists(ctx context.Context, name string) (bool, error) {
 }
 
 // Upload the contents of the reader as an object into the bucket.
-func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader) error {
+func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) error {
 	sse, err := b.getServerSideEncryption(ctx)
 	if err != nil {
 		return err
@@ -556,6 +556,8 @@ func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader) error {
 		userMetadata[k] = v
 	}
 
+	uploadOpts := objstore.ApplyObjectUploadOptions(opts...)
+
 	if _, err := b.client.PutObject(
 		ctx,
 		b.name,
@@ -572,7 +574,8 @@ func (b *Bucket) Upload(ctx context.Context, name string, r io.Reader) error {
 			// 4 is what minio-go have as the default. To be certain we do micro benchmark before any changes we
 			// ensure we pin this number to four.
 			// TODO(bwplotka): Consider adjusting this number to GOMAXPROCS or to expose this in config if it becomes bottleneck.
-			NumThreads: 4,
+			NumThreads:  4,
+			ContentType: uploadOpts.ContentType,
 		},
 	); err != nil {
 		return errors.Wrap(err, "upload s3 object")
diff --git a/vendor/github.com/thanos-io/objstore/providers/swift/swift.go b/vendor/github.com/thanos-io/objstore/providers/swift/swift.go
index 19eb0d45455..c5263b25688 100644
--- a/vendor/github.com/thanos-io/objstore/providers/swift/swift.go
+++ b/vendor/github.com/thanos-io/objstore/providers/swift/swift.go
@@ -338,13 +338,16 @@ func (c *Container) IsAccessDeniedErr(err error) bool {
 }
 
 // Upload writes the contents of the reader as an object into the container.
-func (c *Container) Upload(_ context.Context, name string, r io.Reader) (err error) {
+func (c *Container) Upload(_ context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) (err error) {
 	size, err := objstore.TryToGetSize(r)
 	if err != nil {
 		level.Warn(c.logger).Log("msg", "could not guess file size, using large object to avoid issues if the file is larger than limit", "name", name, "err", err)
 		// Anything higher or equal to chunk size so the SLO is used.
 		size = c.chunkSize
 	}
+
+	uploadOpts := objstore.ApplyObjectUploadOptions(opts...)
+
 	var file io.WriteCloser
 	if size >= c.chunkSize {
 		opts := swift.LargeObjectOpts{
@@ -353,6 +356,7 @@ func (c *Container) Upload(_ context.Context, name string, r io.Reader) (err err
 			ChunkSize:        c.chunkSize,
 			SegmentContainer: c.segmentsContainer,
 			CheckHash:        true,
+			ContentType:      uploadOpts.ContentType,
 		}
 		if c.useDynamicLargeObjects {
 			if file, err = c.connection.DynamicLargeObjectCreateFile(&opts); err != nil {
@@ -364,7 +368,7 @@ func (c *Container) Upload(_ context.Context, name string, r io.Reader) (err err
 			}
 		}
 	} else {
-		if file, err = c.connection.ObjectCreate(c.name, name, true, "", "", swift.Headers{}); err != nil {
+		if file, err = c.connection.ObjectCreate(c.name, name, true, "", uploadOpts.ContentType, swift.Headers{}); err != nil {
 			return errors.Wrap(err, "create file")
 		}
 	}
diff --git a/vendor/github.com/thanos-io/objstore/testing.go b/vendor/github.com/thanos-io/objstore/testing.go
index 80f1e198e0c..ce6ca6b77ac 100644
--- a/vendor/github.com/thanos-io/objstore/testing.go
+++ b/vendor/github.com/thanos-io/objstore/testing.go
@@ -316,9 +316,9 @@ func (d *delayingBucket) Exists(ctx context.Context, name string) (bool, error)
 	return d.bkt.Exists(ctx, name)
 }
 
-func (d *delayingBucket) Upload(ctx context.Context, name string, r io.Reader) error {
+func (d *delayingBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...ObjectUploadOption) error {
 	time.Sleep(d.delay)
-	return d.bkt.Upload(ctx, name, r)
+	return d.bkt.Upload(ctx, name, r, opts...)
 }
 
 func (d *delayingBucket) Delete(ctx context.Context, name string) error {
diff --git a/vendor/github.com/thanos-io/objstore/tracing/opentracing/opentracing.go b/vendor/github.com/thanos-io/objstore/tracing/opentracing/opentracing.go
index 58bdea0776c..15bbfd20cf5 100644
--- a/vendor/github.com/thanos-io/objstore/tracing/opentracing/opentracing.go
+++ b/vendor/github.com/thanos-io/objstore/tracing/opentracing/opentracing.go
@@ -110,10 +110,10 @@ func (t TracingBucket) Attributes(ctx context.Context, name string) (attrs objst
 	return
 }
 
-func (t TracingBucket) Upload(ctx context.Context, name string, r io.Reader) (err error) {
+func (t TracingBucket) Upload(ctx context.Context, name string, r io.Reader, opts ...objstore.ObjectUploadOption) (err error) {
 	doWithSpan(ctx, "bucket_upload", func(spanCtx context.Context, span opentracing.Span) {
 		span.LogKV("name", name)
-		err = t.bkt.Upload(spanCtx, name, r)
+		err = t.bkt.Upload(spanCtx, name, r, opts...)
 	})
 	return
 }
diff --git a/vendor/modules.txt b/vendor/modules.txt
index b03e967c8f9..e9661582f3d 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1333,8 +1333,8 @@ github.com/stretchr/testify/assert
 github.com/stretchr/testify/assert/yaml
 github.com/stretchr/testify/mock
 github.com/stretchr/testify/require
-# github.com/thanos-io/objstore v0.0.0-20250129163715-ec72e5a88a79
-## explicit; go 1.22
+# github.com/thanos-io/objstore v0.0.0-20250317105316-a0136a6f898d
+## explicit; go 1.22.7
 github.com/thanos-io/objstore
 github.com/thanos-io/objstore/exthttp
 github.com/thanos-io/objstore/providers/azure