diff --git a/.github/workflows/build-boxkit.yml b/.github/workflows/build-boxkit.yml
index b104b247..61a2a795 100644
--- a/.github/workflows/build-boxkit.yml
+++ b/.github/workflows/build-boxkit.yml
@@ -61,7 +61,7 @@ jobs:
       # https://github.com/macbre/push-to-ghcr/issues/12
       - name: Lowercase Registry
         id: registry_case
-        uses: ASzc/change-string-case-action@d0603cd0a7dd490be678164909f65c7737470a7f # v6
+        uses: ASzc/change-string-case-action@ecd1412d078f2e06e9eedcbaa6fcd988151c3f82 # v8
         with:
           string: ${{ env.IMAGE_REGISTRY }}