diff --git a/.github/workflows/slack-notifications.yml b/.github/workflows/slack-notifications.yml
index b75bc5b01d..021f10fb17 100644
--- a/.github/workflows/slack-notifications.yml
+++ b/.github/workflows/slack-notifications.yml
@@ -110,7 +110,7 @@ jobs:
       - name: Prepare commit message.
         id: commit-message
         run: |
-          COMMIT_MESSAGE=$(cat <<'EOF' | awk 'NR==1' | sed 's/`/\\`/g' | sed 's/\"/\\\\"/g'
+          COMMIT_MESSAGE=$(cat <<'EOF' | awk 'NR==1' | sed 's/`/\\`/g' | sed 's/\"/\\\\"/g' | sed 's/\$/\\$/g'
           ${{ github.event_name == 'workflow_run' && github.event.workflow_run.head_commit.message || github.event.head_commit.message }}
           EOF
           )