diff --git a/.github/workflows/release-cni-plugin.yml b/.github/workflows/release-cni-plugin.yml
index f76ee259..bac444d8 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@fb28c2b6339dcd94da6e4cbcbc5e888961f6f8c3
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac
       - 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 c7895276..a203a4e7 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@fb28c2b6339dcd94da6e4cbcbc5e888961f6f8c3
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac
       - if: needs.meta.outputs.mode == 'release'
         run: cosign sign -y "${{ needs.meta.outputs.repo }}:${{ needs.meta.outputs.version }}"
         env: