diff --git a/package.json b/package.json
index 907665250..c572f4281 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "eslint-plugin-react-hooks": "^4.4.0",
     "husky": "^9.1.6",
     "nyc": "^17.1.0",
-    "postcss": "^8.4.41",
+    "postcss": "^8.4.49",
     "prettier": "3.3.3",
     "tailwindcss": "^3.3.5",
     "typescript": "5.7.2",
diff --git a/yarn.lock b/yarn.lock
index 73ad621c7..e671ea13d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8338,7 +8338,7 @@ __metadata:
     next-themes: "npm:^0.3.0"
     node-ical: "npm:0.19.0"
     nyc: "npm:^17.1.0"
-    postcss: "npm:^8.4.41"
+    postcss: "npm:^8.4.49"
     prettier: "npm:3.3.3"
     react: "npm:18.3.1"
     react-dom: "npm:18.3.1"
@@ -9662,7 +9662,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"picocolors@npm:^1.1.0":
+"picocolors@npm:^1.1.0, picocolors@npm:^1.1.1":
   version: 1.1.1
   resolution: "picocolors@npm:1.1.1"
   checksum: 10c0/e2e3e8170ab9d7c7421969adaa7e1b31434f789afb9b3f115f6b96d91945041ac3ceb02e9ec6fe6510ff036bcc0bf91e69a1772edc0b707e12b19c0f2d6bcf58
@@ -9796,14 +9796,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.41":
-  version: 8.4.41
-  resolution: "postcss@npm:8.4.41"
+"postcss@npm:^8.4.49":
+  version: 8.4.49
+  resolution: "postcss@npm:8.4.49"
   dependencies:
     nanoid: "npm:^3.3.7"
-    picocolors: "npm:^1.0.1"
-    source-map-js: "npm:^1.2.0"
-  checksum: 10c0/c1828fc59e7ec1a3bf52b3a42f615dba53c67960ed82a81df6441b485fe43c20aba7f4e7c55425762fd99c594ecabbaaba8cf5b30fd79dfec5b52a9f63a2d690
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: 10c0/f1b3f17aaf36d136f59ec373459f18129908235e65dbdc3aee5eef8eba0756106f52de5ec4682e29a2eab53eb25170e7e871b3e4b52a8f1de3d344a514306be3
   languageName: node
   linkType: hard
 
@@ -10810,7 +10810,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"source-map-js@npm:^1.0.1, source-map-js@npm:^1.2.0":
+"source-map-js@npm:^1.0.1":
   version: 1.2.0
   resolution: "source-map-js@npm:1.2.0"
   checksum: 10c0/7e5f896ac10a3a50fe2898e5009c58ff0dc102dcb056ed27a354623a0ece8954d4b2649e1a1b2b52ef2e161d26f8859c7710350930751640e71e374fe2d321a4
@@ -10824,6 +10824,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"source-map-js@npm:^1.2.1":
+  version: 1.2.1
+  resolution: "source-map-js@npm:1.2.1"
+  checksum: 10c0/7bda1fc4c197e3c6ff17de1b8b2c20e60af81b63a52cb32ec5a5d67a20a7d42651e2cb34ebe93833c5a2a084377e17455854fee3e21e7925c64a51b6a52b0faf
+  languageName: node
+  linkType: hard
+
 "source-map-support@npm:~0.5.20":
   version: 0.5.21
   resolution: "source-map-support@npm:0.5.21"