diff --git a/.github/workflows/accessibility-alt-text-bot.yml b/.github/workflows/accessibility-alt-text-bot.yml
index 96af67f..d2797dc 100644
--- a/.github/workflows/accessibility-alt-text-bot.yml
+++ b/.github/workflows/accessibility-alt-text-bot.yml
@@ -3,7 +3,7 @@ jobs:
     if: ${{ !endsWith(github.actor, '[bot]') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: github/accessibility-alt-text-bot@v1.4.0
+      - uses: github/accessibility-alt-text-bot@437c81f27b382050979bf1b6c14760e40a392872 # v1.7.2
 
 name: Accessibility Alt Text Bot