diff --git a/packages/ui-components/package.json b/packages/ui-components/package.json
index 352ef6f559df1..5f78588b68be1 100644
--- a/packages/ui-components/package.json
+++ b/packages/ui-components/package.json
@@ -78,7 +78,7 @@
     "eslint-plugin-react-hooks": "7.0.1",
     "eslint-plugin-storybook": "10.0.7",
     "global-jsdom": "28.0.0",
-    "postcss-loader": "8.2.0",
+    "postcss-loader": "8.2.1",
     "storybook": "~10.2.13",
     "style-loader": "4.0.0",
     "stylelint": "17.1.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 42f2181fb1334..52fa4132e8199 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -569,8 +569,8 @@ importers:
         specifier: 28.0.0
         version: 28.0.0(jsdom@28.1.0(@noble/hashes@1.8.0))
       postcss-loader:
-        specifier: 8.2.0
-        version: 8.2.0(postcss@8.5.6)(typescript@5.9.3)(webpack@5.105.3(@swc/core@1.15.11))
+        specifier: 8.2.1
+        version: 8.2.1(postcss@8.5.6)(typescript@5.9.3)(webpack@5.105.3(@swc/core@1.15.11))
       storybook:
         specifier: ~10.2.13
         version: 10.2.13(@testing-library/dom@10.4.0)(prettier@3.8.1)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
@@ -4370,6 +4370,15 @@ packages:
       typescript:
         optional: true
 
+  cosmiconfig@9.0.1:
+    resolution: {integrity: sha512-hr4ihw+DBqcvrsEDioRO31Z17x71pUYoNe/4h6Z0wB72p7MU7/9gH8Q3s12NFhHPfYBBOV3qyfUxmr/Yn3shnQ==}
+    engines: {node: '>=14'}
+    peerDependencies:
+      typescript: '>=4.9.5'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
   cross-env@10.1.0:
     resolution: {integrity: sha512-GsYosgnACZTADcmEyJctkJIoqAhHjttw7RsFrVoJNXbsWWqaq6Ym+7kZjq6mS45O0jij6vtiReppKQEtqWy6Dw==}
     engines: {node: '>=20'}
@@ -6649,11 +6658,11 @@ packages:
       tsx:
         optional: true
 
-  postcss-loader@8.2.0:
-    resolution: {integrity: sha512-tHX+RkpsXVcc7st4dSdDGliI+r4aAQDuv+v3vFYHixb6YgjreG5AG4SEB0kDK8u2s6htqEEpKlkhSBUTvWKYnA==}
+  postcss-loader@8.2.1:
+    resolution: {integrity: sha512-k98jtRzthjj3f76MYTs9JTpRqV1RaaMhEU0Lpw9OTmQZQdppg4B30VZ74BojuBHt3F4KyubHJoXCMUeM8Bqeow==}
     engines: {node: '>= 18.12.0'}
     peerDependencies:
-      '@rspack/core': 0.x || 1.x
+      '@rspack/core': 0.x || ^1.0.0 || ^2.0.0-0
       postcss: ^7.0.0 || ^8.0.1
       webpack: ^5.0.0
     peerDependenciesMeta:
@@ -12591,6 +12600,15 @@ snapshots:
     optionalDependencies:
       typescript: 5.9.3
 
+  cosmiconfig@9.0.1(typescript@5.9.3):
+    dependencies:
+      env-paths: 2.2.1
+      import-fresh: 3.3.1
+      js-yaml: 4.1.1
+      parse-json: 5.2.0
+    optionalDependencies:
+      typescript: 5.9.3
+
   cross-env@10.1.0:
     dependencies:
       '@epic-web/invariant': 1.0.0
@@ -15574,9 +15592,9 @@ snapshots:
       postcss: 8.5.6
       tsx: 4.21.0
 
-  postcss-loader@8.2.0(postcss@8.5.6)(typescript@5.9.3)(webpack@5.105.3(@swc/core@1.15.11)):
+  postcss-loader@8.2.1(postcss@8.5.6)(typescript@5.9.3)(webpack@5.105.3(@swc/core@1.15.11)):
     dependencies:
-      cosmiconfig: 9.0.0(typescript@5.9.3)
+      cosmiconfig: 9.0.1(typescript@5.9.3)
       jiti: 2.6.1
       postcss: 8.5.6
       semver: 7.7.4