diff --git a/packages/vant-cli/package.json b/packages/vant-cli/package.json
index 71f8ebd4f..81b4803c4 100644
--- a/packages/vant-cli/package.json
+++ b/packages/vant-cli/package.json
@@ -70,7 +70,7 @@
     "markdown-it-anchor": "^8.6.4",
     "nano-staged": "^0.8.0",
     "picocolors": "^1.0.0",
-    "postcss": "^8.4.23",
+    "postcss": "^8.4.31",
     "postcss-load-config": "^4.0.1",
     "prettier": "^3.0.0",
     "terser": "^5.19.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2191e4912..80ce3e811 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -168,7 +168,7 @@ importers:
         version: 1.1.5(@babel/core@7.22.10)
       autoprefixer:
         specifier: ^10.4.8
-        version: 10.4.14(postcss@8.4.27)
+        version: 10.4.14(postcss@8.4.31)
       commander:
         specifier: ^11.0.0
         version: 11.0.0
@@ -215,11 +215,11 @@ importers:
         specifier: ^1.0.0
         version: 1.0.0
       postcss:
-        specifier: ^8.4.23
-        version: 8.4.27
+        specifier: ^8.4.31
+        version: 8.4.31
       postcss-load-config:
         specifier: ^4.0.1
-        version: 4.0.1(postcss@8.4.27)
+        version: 4.0.1(postcss@8.4.31)
       prettier:
         specifier: ^3.0.0
         version: 3.0.1
@@ -1268,7 +1268,7 @@ packages:
       '@vue/shared': 3.3.4
       estree-walker: 2.0.2
       magic-string: 0.30.2
-      postcss: 8.4.27
+      postcss: 8.4.31
       source-map-js: 1.0.2
 
   /@vue/compiler-ssr@3.3.4:
@@ -1427,7 +1427,7 @@ packages:
     resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
     dev: true
 
-  /autoprefixer@10.4.14(postcss@8.4.27):
+  /autoprefixer@10.4.14(postcss@8.4.31):
     resolution: {integrity: sha512-FQzyfOsTlwVzjHxKEqRIAdJx9niO6VCBCoEwax/VLSoQF29ggECcPuBqUMZ+u8jCZOPSy8b8/8KnuFbp0SaFZQ==}
     engines: {node: ^10 || ^12 || >=14}
     hasBin: true
@@ -1439,7 +1439,7 @@ packages:
       fraction.js: 4.2.0
       normalize-range: 0.1.2
       picocolors: 1.0.0
-      postcss: 8.4.27
+      postcss: 8.4.31
       postcss-value-parser: 4.2.0
     dev: false
 
@@ -2807,7 +2807,7 @@ packages:
       pathe: 1.1.1
     dev: true
 
-  /postcss-load-config@4.0.1(postcss@8.4.27):
+  /postcss-load-config@4.0.1(postcss@8.4.31):
     resolution: {integrity: sha512-vEJIc8RdiBRu3oRAI0ymerOn+7rPuMvRXslTvZUKZonDHFIczxztIyJ1urxM1x9JXEikvpWWTUUqal5j/8QgvA==}
     engines: {node: '>= 14'}
     peerDependencies:
@@ -2820,7 +2820,7 @@ packages:
         optional: true
     dependencies:
       lilconfig: 2.1.0
-      postcss: 8.4.27
+      postcss: 8.4.31
       yaml: 2.3.1
     dev: false
 
@@ -2844,6 +2844,14 @@ packages:
       picocolors: 1.0.0
       source-map-js: 1.0.2
 
+  /postcss@8.4.31:
+    resolution: {integrity: sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==}
+    engines: {node: ^10 || ^12 || >=14}
+    dependencies:
+      nanoid: 3.3.6
+      picocolors: 1.0.0
+      source-map-js: 1.0.2
+
   /prelude-ls@1.2.1:
     resolution: {integrity: sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==}
     engines: {node: '>= 0.8.0'}