diff --git a/packages/astro-integration/package.json b/packages/astro-integration/package.json
index cf53d4e..25fc2d0 100644
--- a/packages/astro-integration/package.json
+++ b/packages/astro-integration/package.json
@@ -26,7 +26,7 @@
 		"typecheck": "tsc --noEmit"
 	},
 	"devDependencies": {
-		"astro": "5.12.9",
+		"astro": "5.15.9",
 		"publint": "0.3.12",
 		"tsdown": "0.14.2",
 		"typescript": "5.9.2"
diff --git a/playground/package.json b/playground/package.json
index 0cf057a..ff718c3 100644
--- a/playground/package.json
+++ b/playground/package.json
@@ -10,7 +10,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "5.12.9",
+    "astro": "5.15.9",
     "astro-integration": "workspace:*"
   },
   "devDependencies": {