diff --git a/web/package.json b/web/package.json
index ea9377c..3b65e4b 100644
--- a/web/package.json
+++ b/web/package.json
@@ -87,7 +87,7 @@
     "eslint-plugin-react-refresh": "^0.4.3",
     "eslint-plugin-simple-import-sort": "^10.0.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.4.27",
+    "postcss": "^8.4.31",
     "sass": "^1.64.2",
     "typedoc": "^0.24.8",
     "typesafe-i18n": "^5.26.0",
diff --git a/web/pnpm-lock.yaml b/web/pnpm-lock.yaml
index 11426fc..694d44e 100644
--- a/web/pnpm-lock.yaml
+++ b/web/pnpm-lock.yaml
@@ -123,7 +123,7 @@ devDependencies:
     version: 3.3.2(vite@4.4.8)
   autoprefixer:
     specifier: ^10.4.14
-    version: 10.4.14(postcss@8.4.27)
+    version: 10.4.14(postcss@8.4.31)
   eslint:
     specifier: ^8.46.0
     version: 8.46.0
@@ -152,8 +152,8 @@ devDependencies:
     specifier: ^4.1.5
     version: 4.1.5
   postcss:
-    specifier: ^8.4.27
-    version: 8.4.27
+    specifier: ^8.4.31
+    version: 8.4.31
   sass:
     specifier: ^1.64.2
     version: 1.64.2
@@ -1730,7 +1730,7 @@ packages:
     engines: {node: '>= 4.0.0'}
     dev: false
 
-  /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
@@ -1742,7 +1742,7 @@ 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: true
 
@@ -4356,8 +4356,8 @@ packages:
     resolution: {integrity: sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==}
     dev: true
 
-  /postcss@8.4.27:
-    resolution: {integrity: sha512-gY/ACJtJPSmUFPDCHtX78+01fHa64FaU4zaaWfuh1MhGJISufJAH4cun6k/8fwsHYeK4UQmENQK+tRLCFJE8JQ==}
+  /postcss@8.4.31:
+    resolution: {integrity: sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==}
     engines: {node: ^10 || ^12 || >=14}
     dependencies:
       nanoid: 3.3.6
@@ -5451,7 +5451,7 @@ packages:
     dependencies:
       '@types/node': 20.4.8
       esbuild: 0.18.15
-      postcss: 8.4.27
+      postcss: 8.4.31
       rollup: 3.26.3
       sass: 1.64.2
     optionalDependencies: