diff --git a/.github/workflows/release-cni-plugin.yml b/.github/workflows/release-cni-plugin.yml
index 46bc4f55..8fc70a65 100644
--- a/.github/workflows/release-cni-plugin.yml
+++ b/.github/workflows/release-cni-plugin.yml
@@ -66,7 +66,7 @@ jobs:
                   --platform linux/amd64,linux/arm64,linux/arm/v7 \
                   --output type=registry
       - if: needs.meta.outputs.mode == 'release'
-        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20
+        uses: sigstore/cosign-installer@4959ce089c160fddf62f7b42464195ba1a56d382
       - if: needs.meta.outputs.mode == 'release'
         run: cosign sign -y "${{ needs.meta.outputs.repo }}:${{ needs.meta.outputs.version }}"
         env:
diff --git a/.github/workflows/release-proxy-init.yml b/.github/workflows/release-proxy-init.yml
index af96a808..6963608b 100644
--- a/.github/workflows/release-proxy-init.yml
+++ b/.github/workflows/release-proxy-init.yml
@@ -66,7 +66,7 @@ jobs:
                   --platform linux/amd64,linux/arm64,linux/arm/v7 \
                   --output type=registry
       - if: needs.meta.outputs.mode == 'release'
-        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20
+        uses: sigstore/cosign-installer@4959ce089c160fddf62f7b42464195ba1a56d382
       - if: needs.meta.outputs.mode == 'release'
         run: cosign sign -y "${{ needs.meta.outputs.repo }}:${{ needs.meta.outputs.version }}"
         env: