diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 2099576..4b830ad 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -73,7 +73,7 @@ jobs:
           sbom: true
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # v3.8.2
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
 
       - name: Sign image with Cosign
         run: |