diff --git a/package.json b/package.json
index da7a331..45ea5ec 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "highlight.js": "^11.7.0",
     "lucide-svelte": "^0.376.1",
     "mdsvex": "^0.11.0",
-    "postcss": "^8.5.10",
+    "postcss": "^8.5.18",
     "postcss-import": "^16.1.0",
     "postcss-nested": "^6.0.1",
     "prettier": "^2.7.1",
diff --git a/yarn.lock b/yarn.lock
index 514da40..270a2b7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2367,7 +2367,7 @@ __metadata:
     highlight.js: "npm:^11.7.0"
     lucide-svelte: "npm:^0.376.1"
     mdsvex: "npm:^0.11.0"
-    postcss: "npm:^8.5.10"
+    postcss: "npm:^8.5.18"
     postcss-import: "npm:^16.1.0"
     postcss-nested: "npm:^6.0.1"
     prettier: "npm:^2.7.1"
@@ -2724,7 +2724,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.47, postcss@npm:^8.5.10, postcss@npm:^8.5.3":
+"postcss@npm:^8.4.47, postcss@npm:^8.5.3":
   version: 8.5.15
   resolution: "postcss@npm:8.5.15"
   dependencies:
@@ -2735,6 +2735,17 @@ __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: 10/b43f2d2493d82dc43fa50d21cf184bf3b66229e7f53fa1dedc7b8a7c4cecd7ac8ee18fad099f47570da7f78bbf46997a4c6e6c87d8d8ece683dc1f32cda6db3b
+  languageName: node
+  linkType: hard
+
 "prettier-plugin-svelte@npm:^2.8.0":
   version: 2.10.1
   resolution: "prettier-plugin-svelte@npm:2.10.1"