diff --git a/dev-packages/e2e-tests/test-applications/astro-6-cf-workers/package.json b/dev-packages/e2e-tests/test-applications/astro-6-cf-workers/package.json
index dc0f6bda829b..6aca47c45b75 100644
--- a/dev-packages/e2e-tests/test-applications/astro-6-cf-workers/package.json
+++ b/dev-packages/e2e-tests/test-applications/astro-6-cf-workers/package.json
@@ -21,6 +21,11 @@
     "astro": "^6.0.0",
     "wrangler": "^4.72.0"
   },
+  "pnpm": {
+    "overrides": {
+      "@cloudflare/vite-plugin": "1.43.1"
+    }
+  },
   "volta": {
     "node": "24.15.0",
     "extends": "../../package.json"
diff --git a/dev-packages/e2e-tests/test-applications/cloudflare-agent/package.json b/dev-packages/e2e-tests/test-applications/cloudflare-agent/package.json
index 6c834c1d9f47..b1404968dcab 100644
--- a/dev-packages/e2e-tests/test-applications/cloudflare-agent/package.json
+++ b/dev-packages/e2e-tests/test-applications/cloudflare-agent/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@playwright/test": "~1.56.0",
-    "@cloudflare/vite-plugin": "^1.37.2",
+    "@cloudflare/vite-plugin": "1.43.1",
     "@cloudflare/workers-types": "^4.20260520.1",
     "@sentry-internal/test-utils": "link:../../../test-utils",
     "@types/node": "^24.12.4",
diff --git a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/package.json b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/package.json
index c817bd699838..8f3ec520430f 100644
--- a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/package.json
+++ b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/package.json
@@ -22,7 +22,7 @@
     "react-dom": "^19.2.0"
   },
   "devDependencies": {
-    "@cloudflare/vite-plugin": "^1.35.0",
+    "@cloudflare/vite-plugin": "1.43.1",
     "@cloudflare/workers-types": "^4.20260504.0",
     "@playwright/test": "~1.56.0",
     "@sentry-internal/test-utils": "link:../../../test-utils",