diff --git a/package.json b/package.json
index 0fa77de..ae8ebab 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "eslint": "9.27.0",
     "eslint-config-next": "15.3.2",
     "eslint-config-prettier": "10.1.5",
-    "postcss": "8.5.3",
+    "postcss": "8.5.4",
     "prettier": "3.5.3",
     "prisma": "6.8.2",
     "tailwindcss": "4.1.8",
diff --git a/yarn.lock b/yarn.lock
index 9987f1f..6bbb59e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3832,7 +3832,7 @@ __metadata:
     next: "npm:15.3.2"
     next-auth: "npm:^5.0.0-beta.25"
     next-themes: "npm:^0.4.6"
-    postcss: "npm:8.5.3"
+    postcss: "npm:8.5.4"
     prettier: "npm:3.5.3"
     prisma: "npm:6.8.2"
     react: "npm:^19.0.0"
@@ -3918,7 +3918,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.3.6, nanoid@npm:^3.3.8":
+"nanoid@npm:^3.3.11, nanoid@npm:^3.3.6, nanoid@npm:^3.3.8":
   version: 3.3.11
   resolution: "nanoid@npm:3.3.11"
   bin:
@@ -4237,7 +4237,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.5.3, postcss@npm:^8.4.41":
+"postcss@npm:8.5.4":
+  version: 8.5.4
+  resolution: "postcss@npm:8.5.4"
+  dependencies:
+    nanoid: "npm:^3.3.11"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: 10c0/0feff648614a834f7cd5396ea6b05b658ca0507e10a4eaad03b56c348f6aec93f42a885fc1b30522630c6a7e49ae53b38a061e3cba526f2d9857afbe095a22bb
+  languageName: node
+  linkType: hard
+
+"postcss@npm:^8.4.41":
   version: 8.5.3
   resolution: "postcss@npm:8.5.3"
   dependencies: