diff --git a/.github/workflows/build-multiarch.yml b/.github/workflows/build-multiarch.yml
index 2eb411e..5d4a276 100644
--- a/.github/workflows/build-multiarch.yml
+++ b/.github/workflows/build-multiarch.yml
@@ -319,7 +319,7 @@ jobs:
 
       - name: Install cosign
         if: inputs.sign_image
-        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
 
       - name: Sign image
         if: inputs.sign_image