diff --git a/e2e/cases/plugin-svelte/package.json b/e2e/cases/plugin-svelte/package.json
index aa3c4c6fe7..14be03eed8 100644
--- a/e2e/cases/plugin-svelte/package.json
+++ b/e2e/cases/plugin-svelte/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "type": "module",
   "dependencies": {
-    "svelte": "^5.49.1"
+    "svelte": "^5.50.0"
   },
   "devDependencies": {
     "less": "4.3.0",
diff --git a/examples/svelte/package.json b/examples/svelte/package.json
index 548a8d30fc..fe7de3d353 100644
--- a/examples/svelte/package.json
+++ b/examples/svelte/package.json
@@ -8,7 +8,7 @@
     "preview": "rsbuild preview"
   },
   "dependencies": {
-    "svelte": "^5.49.1"
+    "svelte": "^5.50.0"
   },
   "devDependencies": {
     "@rsbuild/core": "workspace:*",
diff --git a/packages/create-rsbuild/template-svelte-js/package.json b/packages/create-rsbuild/template-svelte-js/package.json
index 052e73ea60..a4e1536422 100644
--- a/packages/create-rsbuild/template-svelte-js/package.json
+++ b/packages/create-rsbuild/template-svelte-js/package.json
@@ -9,7 +9,7 @@
     "preview": "rsbuild preview"
   },
   "dependencies": {
-    "svelte": "^5.49.1"
+    "svelte": "^5.50.0"
   },
   "devDependencies": {
     "@rsbuild/core": "^2.0.0-beta.1",
diff --git a/packages/create-rsbuild/template-svelte-ts/package.json b/packages/create-rsbuild/template-svelte-ts/package.json
index 41607da6aa..ab369301ca 100644
--- a/packages/create-rsbuild/template-svelte-ts/package.json
+++ b/packages/create-rsbuild/template-svelte-ts/package.json
@@ -10,7 +10,7 @@
     "svelte-check": "svelte-check --tsconfig ./tsconfig.json"
   },
   "dependencies": {
-    "svelte": "^5.49.1"
+    "svelte": "^5.50.0"
   },
   "devDependencies": {
     "@rsbuild/core": "^2.0.0-beta.1",
diff --git a/packages/plugin-svelte/package.json b/packages/plugin-svelte/package.json
index 61f1034ed4..cfb8745c47 100644
--- a/packages/plugin-svelte/package.json
+++ b/packages/plugin-svelte/package.json
@@ -36,7 +36,7 @@
     "@rslib/core": "0.19.4",
     "@scripts/test-helper": "workspace:*",
     "@types/node": "^24.10.10",
-    "svelte": "^5.49.1",
+    "svelte": "^5.50.0",
     "typescript": "^5.9.3"
   },
   "peerDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2a847440ec..ea33c09413 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -251,8 +251,8 @@ importers:
   e2e/cases/plugin-svelte:
     dependencies:
       svelte:
-        specifier: ^5.49.1
-        version: 5.49.2
+        specifier: ^5.50.0
+        version: 5.50.0
     devDependencies:
       less:
         specifier: 4.3.0
@@ -464,8 +464,8 @@ importers:
   examples/svelte:
     dependencies:
       svelte:
-        specifier: ^5.49.1
-        version: 5.49.2
+        specifier: ^5.50.0
+        version: 5.50.0
     devDependencies:
       '@rsbuild/core':
         specifier: workspace:*
@@ -935,10 +935,10 @@ importers:
     dependencies:
       svelte-loader:
         specifier: 3.2.4
-        version: 3.2.4(svelte@5.49.2)
+        version: 3.2.4(svelte@5.50.0)
       svelte-preprocess:
         specifier: ^6.0.3
-        version: 6.0.3(@babel/core@7.29.0)(less@4.3.0)(postcss-load-config@6.0.1(jiti@2.6.1)(postcss@8.5.6)(yaml@2.8.2))(postcss@8.5.6)(sass@1.97.3)(stylus@0.64.0)(svelte@5.49.2)(typescript@5.9.3)
+        version: 6.0.3(@babel/core@7.29.0)(less@4.3.0)(postcss-load-config@6.0.1(jiti@2.6.1)(postcss@8.5.6)(yaml@2.8.2))(postcss@8.5.6)(sass@1.97.3)(stylus@0.64.0)(svelte@5.50.0)(typescript@5.9.3)
     devDependencies:
       '@rsbuild/core':
         specifier: workspace:*
@@ -956,8 +956,8 @@ importers:
         specifier: ^24.10.10
         version: 24.10.10
       svelte:
-        specifier: ^5.49.1
-        version: 5.49.2
+        specifier: ^5.50.0
+        version: 5.50.0
       typescript:
         specifier: ^5.9.3
         version: 5.9.3
@@ -5898,8 +5898,8 @@ packages:
       typescript:
         optional: true
 
-  svelte@5.49.2:
-    resolution: {integrity: sha512-PYLwnngYzyhKzqDlGVlCH4z+NVI8mC0/bTv15vw25CcdOhxENsOHIbQ36oj5DIf3oBazM+STbCAvaskpxtBmWA==}
+  svelte@5.50.0:
+    resolution: {integrity: sha512-FR9kTLmX5i0oyeQ5j/+w8DuagIkQ7MWMuPpPVioW2zx9Dw77q+1ufLzF1IqNtcTXPRnIIio4PlasliVn43OnbQ==}
     engines: {node: '>=18'}
 
   svg-parser@2.0.4:
@@ -11560,20 +11560,20 @@ snapshots:
 
   svelte-dev-helper@1.1.9: {}
 
-  svelte-hmr@0.14.12(svelte@5.49.2):
+  svelte-hmr@0.14.12(svelte@5.50.0):
     dependencies:
-      svelte: 5.49.2
+      svelte: 5.50.0
 
-  svelte-loader@3.2.4(svelte@5.49.2):
+  svelte-loader@3.2.4(svelte@5.50.0):
     dependencies:
       loader-utils: 2.0.4
-      svelte: 5.49.2
+      svelte: 5.50.0
       svelte-dev-helper: 1.1.9
-      svelte-hmr: 0.14.12(svelte@5.49.2)
+      svelte-hmr: 0.14.12(svelte@5.50.0)
 
-  svelte-preprocess@6.0.3(@babel/core@7.29.0)(less@4.3.0)(postcss-load-config@6.0.1(jiti@2.6.1)(postcss@8.5.6)(yaml@2.8.2))(postcss@8.5.6)(sass@1.97.3)(stylus@0.64.0)(svelte@5.49.2)(typescript@5.9.3):
+  svelte-preprocess@6.0.3(@babel/core@7.29.0)(less@4.3.0)(postcss-load-config@6.0.1(jiti@2.6.1)(postcss@8.5.6)(yaml@2.8.2))(postcss@8.5.6)(sass@1.97.3)(stylus@0.64.0)(svelte@5.50.0)(typescript@5.9.3):
     dependencies:
-      svelte: 5.49.2
+      svelte: 5.50.0
     optionalDependencies:
       '@babel/core': 7.29.0
       less: 4.3.0
@@ -11583,7 +11583,7 @@ snapshots:
       stylus: 0.64.0
       typescript: 5.9.3
 
-  svelte@5.49.2:
+  svelte@5.50.0:
     dependencies:
       '@jridgewell/remapping': 2.3.5
       '@jridgewell/sourcemap-codec': 1.5.5