diff --git a/apps/explorer/package-lock.json b/apps/explorer/package-lock.json
index 499dd75..9b60111 100644
--- a/apps/explorer/package-lock.json
+++ b/apps/explorer/package-lock.json
@@ -14,7 +14,7 @@
         "autoprefixer": "^10.4.22",
         "lucide-react": "^0.555.0",
         "next": "^16.0.6",
-        "postcss": "^8.5.6",
+        "postcss": "^8.5.18",
         "react": "^19.2.1",
         "react-dom": "^19.2.1",
         "recharts": "^3.5.1",
@@ -1561,6 +1561,34 @@
         "tailwindcss": "4.3.1"
       }
     },
+    "node_modules/@tailwindcss/postcss/node_modules/postcss": {
+      "version": "8.5.15",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
+      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "nanoid": "^3.3.12",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
+      },
+      "engines": {
+        "node": "^10 || ^12 || >=14"
+      }
+    },
     "node_modules/@tybys/wasm-util": {
       "version": "0.10.3",
       "resolved": "https://registry.npmjs.org/@tybys/wasm-util/-/wasm-util-0.10.3.tgz",
@@ -5756,9 +5784,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
-      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
+      "version": "8.5.18",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.18.tgz",
+      "integrity": "sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==",
       "funding": [
         {
           "type": "opencollective",
diff --git a/apps/explorer/package.json b/apps/explorer/package.json
index e15c0e8..631332b 100644
--- a/apps/explorer/package.json
+++ b/apps/explorer/package.json
@@ -15,7 +15,7 @@
     "autoprefixer": "^10.4.22",
     "lucide-react": "^0.555.0",
     "next": "^16.0.6",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.18",
     "react": "^19.2.1",
     "react-dom": "^19.2.1",
     "recharts": "^3.5.1",