diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa573350348..0c78bb1440d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,7 @@
 ### Improvements
 
 - Replace deprecated SCNetworkReachability with NWPathMonitor (#6019)
+- Increase attachment max size to 100MB (#6537)
 
 ## 8.57.0
 
diff --git a/Sources/Sentry/Public/SentryOptions.h b/Sources/Sentry/Public/SentryOptions.h
index 7140cefa0e7..ac27445d54a 100644
--- a/Sources/Sentry/Public/SentryOptions.h
+++ b/Sources/Sentry/Public/SentryOptions.h
@@ -267,7 +267,7 @@ NS_SWIFT_NAME(Options)
 
 /**
  * The maximum size for each attachment in bytes.
- * @note Default is 20 MiB (20 ✕ 1024 ✕ 1024 bytes).
+ * @note Default is 100 MiB (100 ✕ 1024 ✕ 1024 bytes).
  * @note Please also check the maximum attachment size of relay to make sure your attachments don't
  * get discarded there:
  *  https://docs.sentry.io/product/relay/options/
diff --git a/Sources/Sentry/SentryOptions.m b/Sources/Sentry/SentryOptions.m
index f3c455130ae..4cbd6efaa17 100644
--- a/Sources/Sentry/SentryOptions.m
+++ b/Sources/Sentry/SentryOptions.m
@@ -82,7 +82,9 @@ - (instancetype)init
         self.enableWatchdogTerminationTracking = YES;
         self.sessionTrackingIntervalMillis = [@30000 unsignedIntValue];
         self.attachStacktrace = YES;
-        self.maxAttachmentSize = 20 * 1024 * 1024;
+        // Maximum attachment size is 100 MiB, matches Relay's limit:
+        // https://develop.sentry.dev/sdk/data-model/envelopes/#size-limits
+        self.maxAttachmentSize = 100 * 1024 * 1024;
         self.sendDefaultPii = NO;
         self.enableAutoPerformanceTracing = YES;
         self.enablePersistingTracesWhenCrashing = NO;
diff --git a/Tests/SentryTests/SentryOptionsTest.m b/Tests/SentryTests/SentryOptionsTest.m
index e31a6f40e14..47112d741ac 100644
--- a/Tests/SentryTests/SentryOptionsTest.m
+++ b/Tests/SentryTests/SentryOptionsTest.m
@@ -724,7 +724,7 @@ - (void)assertDefaultValues:(SentryOptions *)options
     XCTAssertEqual(YES, options.enableWatchdogTerminationTracking);
     XCTAssertEqual([@30000 unsignedIntValue], options.sessionTrackingIntervalMillis);
     XCTAssertEqual(YES, options.attachStacktrace);
-    XCTAssertEqual(20 * 1024 * 1024, options.maxAttachmentSize);
+    XCTAssertEqual(100 * 1024 * 1024, options.maxAttachmentSize);
     XCTAssertEqual(NO, options.sendDefaultPii);
     XCTAssertTrue(options.enableAutoPerformanceTracing);
 #if SENTRY_HAS_UIKIT
@@ -854,7 +854,7 @@ - (void)testDefaultMaxAttachmentSize
 {
     SentryOptions *options = [self getValidOptions:@{}];
 
-    XCTAssertEqual(20 * 1024 * 1024, options.maxAttachmentSize);
+    XCTAssertEqual(100 * 1024 * 1024, options.maxAttachmentSize);
 }
 
 - (void)testSendDefaultPii
diff --git a/scripts/.swiftlint-version b/scripts/.swiftlint-version
index 0b09455034e..92c648bd8c3 100644
--- a/scripts/.swiftlint-version
+++ b/scripts/.swiftlint-version
@@ -1 +1 @@
-0.61.0
+0.62.2