diff --git a/packages/create-cloudflare/templates-experimental/hello-world-with-assets/js/package.json b/packages/create-cloudflare/templates-experimental/hello-world-with-assets/js/package.json
index 98365a3dbfe2..61ff6b6c523d 100644
--- a/packages/create-cloudflare/templates-experimental/hello-world-with-assets/js/package.json
+++ b/packages/create-cloudflare/templates-experimental/hello-world-with-assets/js/package.json
@@ -11,6 +11,6 @@
 	"devDependencies": {
 		"@cloudflare/vitest-pool-workers": "^0.5.2",
 		"wrangler": "^3.60.3",
-		"vitest": "2.1.6"
+		"vitest": "2.1.5"
 	}
 }
diff --git a/packages/create-cloudflare/templates-experimental/hello-world-with-assets/ts/package.json b/packages/create-cloudflare/templates-experimental/hello-world-with-assets/ts/package.json
index ee45b0885306..1fd2c06dd01c 100644
--- a/packages/create-cloudflare/templates-experimental/hello-world-with-assets/ts/package.json
+++ b/packages/create-cloudflare/templates-experimental/hello-world-with-assets/ts/package.json
@@ -12,7 +12,7 @@
 	"devDependencies": {
 		"@cloudflare/vitest-pool-workers": "^0.5.2",
 		"typescript": "^5.5.2",
-		"vitest": "2.1.6",
+		"vitest": "2.1.5",
 		"wrangler": "^3.60.3"
 	}
 }
diff --git a/packages/create-cloudflare/templates/hello-world/js/package.json b/packages/create-cloudflare/templates/hello-world/js/package.json
index 98365a3dbfe2..61ff6b6c523d 100644
--- a/packages/create-cloudflare/templates/hello-world/js/package.json
+++ b/packages/create-cloudflare/templates/hello-world/js/package.json
@@ -11,6 +11,6 @@
 	"devDependencies": {
 		"@cloudflare/vitest-pool-workers": "^0.5.2",
 		"wrangler": "^3.60.3",
-		"vitest": "2.1.6"
+		"vitest": "2.1.5"
 	}
 }
diff --git a/packages/create-cloudflare/templates/hello-world/ts/package.json b/packages/create-cloudflare/templates/hello-world/ts/package.json
index ee45b0885306..1fd2c06dd01c 100644
--- a/packages/create-cloudflare/templates/hello-world/ts/package.json
+++ b/packages/create-cloudflare/templates/hello-world/ts/package.json
@@ -12,7 +12,7 @@
 	"devDependencies": {
 		"@cloudflare/vitest-pool-workers": "^0.5.2",
 		"typescript": "^5.5.2",
-		"vitest": "2.1.6",
+		"vitest": "2.1.5",
 		"wrangler": "^3.60.3"
 	}
 }