diff --git a/README.md b/README.md
index fae77a7..32ae002 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ jobs:
         with:
           fetch-depth: 0 # fetch all history so multiple commits can be scanned
       - name: GitGuardian scan
-        uses: GitGuardian/ggshield-action@v1.20.0
+        uses: GitGuardian/ggshield-action@v1.21.0
         env:
           GITHUB_PUSH_BEFORE_SHA: ${{ github.event.before }}
           GITHUB_PUSH_BASE_SHA: ${{ github.event.base }}
@@ -75,7 +75,7 @@ jobs:
         with:
           fetch-depth: 0 # fetch all history so multiple commits can be scanned
       - name: GitGuardian scan
-        uses: GitGuardian/ggshield-action@v1.20.0
+        uses: GitGuardian/ggshield-action@v1.21.0
         with:
           args: -v --ignore-known-secrets
         env:
diff --git a/action.yml b/action.yml
index 4e33b76..8bb2839 100644
--- a/action.yml
+++ b/action.yml
@@ -14,7 +14,7 @@ branding:
   color: "blue"
 runs:
   using: "docker"
-  image: "docker://gitguardian/ggshield:v1.20.0"
+  image: "docker://gitguardian/ggshield:v1.21.0"
   entrypoint: "/app/docker/actions-secret-entrypoint.sh"
   args:
     - ${{ inputs.args }}