diff --git a/packages/astro-tunnel/package.json b/packages/astro-tunnel/package.json
index ae24205..f28031f 100644
--- a/packages/astro-tunnel/package.json
+++ b/packages/astro-tunnel/package.json
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@types/node": "24.10.1",
     "@typescript/native-preview": "7.0.0-dev.20251203.1",
-    "astro": "5.16.3",
+    "astro": "5.16.5",
     "tsdown": "0.14.0"
   },
   "peerDependencies": {
diff --git a/playground/package.json b/playground/package.json
index d1e2de4..e537676 100644
--- a/playground/package.json
+++ b/playground/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "5.16.3",
+    "astro": "5.16.5",
     "astro-tunnel": "workspace:*",
     "@astrojs/check": "0.9.6",
     "typescript": "5.9.3"