diff --git a/.github/workflows/check-if-banned.yml b/.github/workflows/check-if-banned.yml
index 0f9c6a7..68afb9e 100644
--- a/.github/workflows/check-if-banned.yml
+++ b/.github/workflows/check-if-banned.yml
@@ -23,9 +23,6 @@ jobs:
   trigger_pr:
     runs-on: ubuntu-latest
     steps:
-      # https://github.com/rubygems/rubygems/issues/3068#issuecomment-574775885
-      - name: Update gem
-        run: sudo gem update -N --system 3.0.6
       - name: Check ruby version
         run: ruby -v
       - name: Check if contains
diff --git a/.github/workflows/is_signed.yml b/.github/workflows/is_signed.yml
index d210e11..d959fb5 100644
--- a/.github/workflows/is_signed.yml
+++ b/.github/workflows/is_signed.yml
@@ -20,13 +20,10 @@ jobs:
       uses: actions/checkout@v4
       with:
         fetch-depth: 0 # full
-    - name: Dump GitHub context
-      id: github_context_step
-      run: echo '${{ toJSON(github) }}'
     # Runs a single command using the runners shell
     - name: echo signing status
       run: |
-        cd $GITHUB_WORKSPACE # goto base dir of cloned repo
+        cd '${{ github.workspace }}' # goto base dir of cloned repo
         BASE_COMMIT=$(git merge-base ${{ github.event.pull_request.base.ref }} ${{ github.event.pull_request.head.ref }})
         LOGS=$(git log $BASE_COMMIT.. --pretty='%H %ae %G?')
         echo "$LOGS"