diff --git a/package.json b/package.json
index 9a371d412..0d8d5b0aa 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "p-queue": "9.0.1",
     "papaparse": "5.5.3",
     "peerjs": "2.0.0-beta.3",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "postcss-loader": "8.2.0",
     "react": "19.2.3",
     "react-dom": "19.2.3",
diff --git a/yarn.lock b/yarn.lock
index 2907eb05c..258f459c8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4667,7 +4667,7 @@ __metadata:
     p-queue: "npm:9.0.1"
     papaparse: "npm:5.5.3"
     peerjs: "npm:2.0.0-beta.3"
-    postcss: "npm:8.5.6"
+    postcss: "npm:8.5.10"
     postcss-loader: "npm:8.2.0"
     react: "npm:19.2.3"
     react-dom: "npm:19.2.3"
@@ -8341,7 +8341,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.5.6, postcss@npm:^8.4.33, postcss@npm:^8.4.40":
+"postcss@npm:8.5.10":
+  version: 8.5.10
+  resolution: "postcss@npm:8.5.10"
+  dependencies:
+    nanoid: "npm:^3.3.11"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: 10/7eac6169e535b63c8412e94d4f6047fc23efa3e9dde804b541940043c831b25f1cd867d83cd2c4371ad2450c8abcb42c208aa25668c1f0f3650d7f72faf711a8
+  languageName: node
+  linkType: hard
+
+"postcss@npm:^8.4.33, postcss@npm:^8.4.40":
   version: 8.5.6
   resolution: "postcss@npm:8.5.6"
   dependencies: