diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 9990e660..48caa69c 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  pull_request:
   workflow_dispatch:
 
 env:
diff --git a/scripts/build_components.sh b/scripts/build_components.sh
index 11ceff0a..e7e14f16 100755
--- a/scripts/build_components.sh
+++ b/scripts/build_components.sh
@@ -122,6 +122,9 @@ for dir in "${components_to_build[@]}"; do
   \`docker pushrm --help\`
   "
 
+
+  # Delete old docker images to free up space
+  docker builder prune -f
   popd
 
 done