diff --git a/apps/dashboard/package.json b/apps/dashboard/package.json
index fa4f45ec066..84130310a05 100644
--- a/apps/dashboard/package.json
+++ b/apps/dashboard/package.json
@@ -44,7 +44,7 @@
     "ioredis": "^5.6.1",
     "ipaddr.js": "^2.2.0",
     "lucide-react": "0.525.0",
-    "next": "15.3.8",
+    "next": "15.5.18",
     "next-themes": "^0.4.6",
     "nextjs-toploader": "^1.6.12",
     "nuqs": "^2.4.3",
@@ -106,7 +106,7 @@
     "eslint-plugin-storybook": "9.0.15",
     "knip": "5.60.2",
     "next-sitemap": "^4.2.3",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "storybook": "9.0.15",
     "tailwindcss": "3.4.17",
     "typescript": "5.8.3"
diff --git a/apps/nebula/package.json b/apps/nebula/package.json
index 55871593e87..3dd43ec5e13 100644
--- a/apps/nebula/package.json
+++ b/apps/nebula/package.json
@@ -20,7 +20,7 @@
     "fetch-event-stream": "0.1.5",
     "fuse.js": "7.1.0",
     "lucide-react": "0.525.0",
-    "next": "15.3.8",
+    "next": "15.5.18",
     "next-themes": "^0.4.6",
     "nextjs-toploader": "^1.6.12",
     "posthog-js": "1.256.1",
@@ -59,7 +59,7 @@
     "eslint-plugin-storybook": "9.0.15",
     "knip": "5.60.2",
     "next-sitemap": "^4.2.3",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "storybook": "9.0.15",
     "tailwindcss": "3.4.17",
     "typescript": "5.8.3"
diff --git a/apps/playground-web/package.json b/apps/playground-web/package.json
index ebeb2d94e4b..d429093cf03 100644
--- a/apps/playground-web/package.json
+++ b/apps/playground-web/package.json
@@ -28,7 +28,7 @@
     "fetch-event-stream": "0.1.5",
     "geist": "^1.5.1",
     "lucide-react": "0.525.0",
-    "next": "15.3.8",
+    "next": "15.5.18",
     "next-themes": "^0.4.6",
     "nextjs-toploader": "^1.6.12",
     "openapi-types": "12.1.3",
@@ -62,7 +62,7 @@
     "eslint-config-next": "15.3.8",
     "eslint-plugin-react-compiler": "19.1.0-rc.2",
     "knip": "5.60.2",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "tailwindcss": "3.4.17",
     "tailwindcss-animate": "^1.0.7",
     "typescript": "5.8.3"
diff --git a/apps/portal/package.json b/apps/portal/package.json
index 5b4411f38fe..207b1356327 100644
--- a/apps/portal/package.json
+++ b/apps/portal/package.json
@@ -21,7 +21,7 @@
     "github-slugger": "^2.0.0",
     "he": "^1.2.0",
     "lucide-react": "0.525.0",
-    "next": "15.3.8",
+    "next": "15.5.18",
     "next-themes": "^0.4.6",
     "nextjs-toploader": "^1.6.12",
     "node-html-markdown": "^1.3.0",
@@ -66,7 +66,7 @@
     "eslint-plugin-tailwindcss": "^3.18.0",
     "knip": "5.60.2",
     "next-sitemap": "^4.2.3",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "tailwindcss": "3.4.17",
     "tsx": "4.20.3",
     "typescript": "5.8.3"
diff --git a/apps/wallet-ui/package.json b/apps/wallet-ui/package.json
index 358df074e7c..4352d3e4286 100644
--- a/apps/wallet-ui/package.json
+++ b/apps/wallet-ui/package.json
@@ -10,7 +10,7 @@
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
     "lucide-react": "0.525.0",
-    "next": "15.3.8",
+    "next": "15.5.18",
     "next-themes": "^0.4.6",
     "react": "19.2.1",
     "react-dom": "19.2.1",
@@ -35,7 +35,7 @@
     "eslint-config-biome": "1.9.4",
     "eslint-plugin-react-compiler": "19.1.0-rc.2",
     "knip": "5.60.2",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "postcss-load-config": "^6.0.1",
     "tailwindcss": "3.4.17",
     "typescript": "5.8.3"
diff --git a/packages/ui/package.json b/packages/ui/package.json
index 0f003ec4f2f..04d10341f1e 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -25,7 +25,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "0.525.0",
-    "next": "15.3.8",
+    "next": "15.5.18",
     "next-themes": "^0.4.6",
     "prettier": "3.6.2",
     "react-children-utilities": "^2.10.0",
@@ -53,7 +53,7 @@
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",
     "autoprefixer": "^10.4.21",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "storybook": "9.0.15",
     "tailwindcss": "3.4.17",
     "typescript": "5.8.3"