diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f3a13222e..9b1107d72 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1548,8 +1548,8 @@ importers:
         specifier: ^2.1.0
         version: 2.1.0(@rsbuild/core@2.1.6)(@rspack/core@2.1.4)
       '@rsbuild/plugin-sass':
-        specifier: ^1.5.3
-        version: 1.5.3(@rsbuild/core@2.1.6)
+        specifier: ^2.0.1
+        version: 2.0.1(@rsbuild/core@2.1.6)
       '@rslib/core':
         specifier: ^0.22.0
         version: 0.22.0(@module-federation/runtime-tools@2.5.0)(core-js@3.49.0)(typescript@5.9.3)
@@ -1739,8 +1739,8 @@ importers:
         specifier: ^2.1.0
         version: 2.1.0(@rsbuild/core@2.1.6)(@rspack/core@2.1.4)
       '@rsbuild/plugin-sass':
-        specifier: ^1.5.3
-        version: 1.5.3(@rsbuild/core@2.1.6)
+        specifier: ^2.0.1
+        version: 2.0.1(@rsbuild/core@2.1.6)
       '@rslib/core':
         specifier: ^0.22.0
         version: 0.22.0(@module-federation/runtime-tools@2.5.0)(core-js@3.49.0)(typescript@5.9.3)
@@ -7481,10 +7481,10 @@ packages:
       '@rsbuild/core':
         optional: true
 
-  '@rsbuild/plugin-sass@1.5.3':
-    resolution: {integrity: sha512-NViSITZF3J3i96GfemWfTZBZ43CNZUgTaaKgfti0I7odwy36Qlo8MIAbGjOy8pBSygIYn7Xl4+Jw8qAbTysCBw==}
+  '@rsbuild/plugin-sass@2.0.1':
+    resolution: {integrity: sha512-BZRpVTZW+za+sv84nYYdIjR7XwVqyS8+1wAha/7BvQ1igdzlmT6xPd6h4jTWfNzdHuzIHZsuWY7kPS/ybzcndA==}
     peerDependencies:
-      '@rsbuild/core': ^1.3.0 || ^2.0.0-0
+      '@rsbuild/core': ^2.0.0
     peerDependenciesMeta:
       '@rsbuild/core':
         optional: true
@@ -10118,6 +10118,7 @@ packages:
   cron-parser@4.9.0:
     resolution: {integrity: sha512-p0SaNjrHOnQeR8/VnfGbmg9te2kfyYSQ7Sc/j/6DtPL3JQvKxmjO9TSjNFpujqV3vEYYBvNNvXSxzyksBWAx1Q==}
     engines: {node: '>=12.0.0'}
+    deprecated: v4 is no longer maintained, upgrade to v5
 
   cross-env@10.1.0:
     resolution: {integrity: sha512-GsYosgnACZTADcmEyJctkJIoqAhHjttw7RsFrVoJNXbsWWqaq6Ym+7kZjq6mS45O0jij6vtiReppKQEtqWy6Dw==}
@@ -13582,6 +13583,9 @@ packages:
   reduce-configs@1.1.2:
     resolution: {integrity: sha512-AgBP55V8FC7NaqoOP2RCbTpu6LE+YuX3LUZkNAoitcfyS3/PIC8Obg/TJrBzTkJ+lDvZv0TTAeDpLkzjTtYlbw==}
 
+  reduce-configs@2.0.1:
+    resolution: {integrity: sha512-H9KTCWTEb1YM1OoOz0f6TeGZYlW82sIT1viNg3W8CjjY0pD3WI4MHs8GifKt5FKTVIfHh/DenfJqqY+FP9jF2A==}
+
   reflect-metadata@0.2.2:
     resolution: {integrity: sha512-urBwgfrvVP/eAyXx4hluJivBKzuEbSQs9rKWCrCkbSxNv8mxPcUZKeuoF3Uy4mJl3Lwprp6yy5/39VWigZ4K6Q==}
 
@@ -18570,12 +18574,12 @@ snapshots:
     transitivePeerDependencies:
       - '@rspack/core'
 
-  '@rsbuild/plugin-sass@1.5.3(@rsbuild/core@2.1.6)':
+  '@rsbuild/plugin-sass@2.0.1(@rsbuild/core@2.1.6)':
     dependencies:
       deepmerge: 4.3.1
       loader-utils: 2.0.4
       postcss: 8.5.15
-      reduce-configs: 1.1.2
+      reduce-configs: 2.0.1
       sass-embedded: 1.100.0
     optionalDependencies:
       '@rsbuild/core': 2.1.6(@module-federation/runtime-tools@2.5.0)(core-js@3.49.0)
@@ -26154,6 +26158,8 @@ snapshots:
 
   reduce-configs@1.1.2: {}
 
+  reduce-configs@2.0.1: {}
+
   reflect-metadata@0.2.2: {}
 
   regenerate-unicode-properties@10.2.2:
diff --git a/rslib/react-sass/package.json b/rslib/react-sass/package.json
index 74e1bd12a..30ec82093 100644
--- a/rslib/react-sass/package.json
+++ b/rslib/react-sass/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "@rsbuild/plugin-react": "^2.1.0",
-    "@rsbuild/plugin-sass": "^1.5.3",
+    "@rsbuild/plugin-sass": "^2.0.1",
     "@rslib/core": "^0.22.0",
     "@types/react": "^19.2.15",
     "react": "^19.2.7",
diff --git a/rslib/umd/package.json b/rslib/umd/package.json
index 1afe02b65..17428299e 100644
--- a/rslib/umd/package.json
+++ b/rslib/umd/package.json
@@ -13,7 +13,7 @@
   },
   "devDependencies": {
     "@rsbuild/plugin-react": "^2.1.0",
-    "@rsbuild/plugin-sass": "^1.5.3",
+    "@rsbuild/plugin-sass": "^2.0.1",
     "@rslib/core": "^0.22.0",
     "@types/react": "^19.2.15",
     "react": "^19.2.7",