diff --git a/.forgejo/workflows/cache.yaml b/.forgejo/workflows/cache.yaml
index a841ac9a..fbaacfad 100644
--- a/.forgejo/workflows/cache.yaml
+++ b/.forgejo/workflows/cache.yaml
@@ -5,6 +5,11 @@ on:
   push:
     branches:
       # - main
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
 
 jobs:
   deploy: