diff --git a/.github/workflows/verify_library_generation.yaml b/.github/workflows/verify_library_generation.yaml
index 8f2520c858..51c276504d 100644
--- a/.github/workflows/verify_library_generation.yaml
+++ b/.github/workflows/verify_library_generation.yaml
@@ -21,8 +21,10 @@ jobs:
       shell: bash
       run: |
         set -ex
-        git checkout "${base_ref}"
-        git checkout "${head_ref}"
+        git checkout "${base_ref}" # Checkout a detached head, and then fetch the base ref to populate the detached head.
+        git fetch --no-tags --prune origin +${base_ref}:refs/remotes/origin/${base_ref}
+        git checkout "${head_ref}" # Checkout a detached head, and then fetch the head ref to populate the detached head.
+        git fetch --no-tags --prune origin +${head_ref}:refs/remotes/origin/${head_ref}
         changed_directories="$(git diff --name-only ${base_ref} ${head_ref})"
         if [[ ${changed_directories} =~ "library_generation/" ]]; then
           echo "should_run=true" >> $GITHUB_OUTPUT