diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 751e06f..6c78c4c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -105,7 +105,7 @@ jobs:
 
       - run: docker run --rm tinifier:local --version
 
-      - uses: anchore/scan-action@v3 # action page: <https://github.com/anchore/scan-action>
+      - uses: anchore/scan-action@v4 # action page: <https://github.com/anchore/scan-action>
         with:
           image: tinifier:local
           fail-build: true