diff --git a/packages/react-app/package.json b/packages/react-app/package.json
index 84fc7ff..3801c5a 100644
--- a/packages/react-app/package.json
+++ b/packages/react-app/package.json
@@ -35,7 +35,7 @@
         "autoprefixer": "^10.4.14",
         "eslint": "8.36.0",
         "eslint-config-next": "13.2.4",
-        "postcss": "^8.4.21",
+        "postcss": "^8.4.31",
         "tailwindcss": "^3.2.7",
         "typescript": "4.9.5"
     },
diff --git a/yarn.lock b/yarn.lock
index 731cf0d..0b4b4b3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6088,10 +6088,10 @@ postcss@8.4.14:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@^8.4.21, postcss@^8.4.23:
-  version "8.4.23"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.23.tgz#df0aee9ac7c5e53e1075c24a3613496f9e6552ab"
-  integrity sha512-bQ3qMcpF6A/YjR55xtoTr0jGOlnPOKAIMdOWiv0EIT6HVPEaJiJB4NLljSbiHoC2RX7DN5Uvjtpbg1NPdwv1oA==
+postcss@^8.4.23, postcss@^8.4.31:
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
   dependencies:
     nanoid "^3.3.6"
     picocolors "^1.0.0"