diff --git a/frontend/package.json b/frontend/package.json
index 4b3886d..7c8fa3f 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -23,7 +23,7 @@
     "graphql-ws": "^6",
     "lottie-react": "^2.4.1",
     "next": "16.2.6",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.18",
     "react": "19.2.6",
     "react-dom": "19.2.6"
   },
diff --git a/yarn.lock b/yarn.lock
index 61a63df..270cf7b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5538,7 +5538,7 @@ __metadata:
     graphql-ws: "npm:^6"
     lottie-react: "npm:^2.4.1"
     next: "npm:16.2.6"
-    postcss: "npm:^8.5.6"
+    postcss: "npm:^8.5.18"
     react: "npm:19.2.6"
     react-dom: "npm:19.2.6"
     tailwindcss: "npm:^4.1.15"
@@ -7758,7 +7758,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.5.15, postcss@npm:^8.5.6":
+"postcss@npm:^8.5.15":
   version: 8.5.16
   resolution: "postcss@npm:8.5.16"
   dependencies:
@@ -7769,6 +7769,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.5.18":
+  version: 8.5.18
+  resolution: "postcss@npm:8.5.18"
+  dependencies:
+    nanoid: "npm:^3.3.12"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: 10c0/6fbab24a457ca5b90d423c333d0bab13e6646fda646e83235eed892f9e4f2dc6c50689ddc5ac1632fc085be2e096d2e8e03779ac092de6353e1cfcbbc3681685
+  languageName: node
+  linkType: hard
+
 "postgres-array@npm:3.0.4":
   version: 3.0.4
   resolution: "postgres-array@npm:3.0.4"