diff --git a/.github/workflows/e2e-cache.yml b/.github/workflows/e2e-cache.yml
index 0c73a0b0..71d4814f 100644
--- a/.github/workflows/e2e-cache.yml
+++ b/.github/workflows/e2e-cache.yml
@@ -2,6 +2,8 @@ name: e2e-cache
 
 on:
   pull_request:
+    branches:
+      - main
     paths-ignore:
       - '**.md'
   push: