diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 62202e9..ed3fbba 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -398,7 +398,7 @@ jobs:
         id: cosign
         if: steps.registry_state.outputs.publish == 'true'
         continue-on-error: true
-        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
+        uses: sigstore/cosign-installer@756fe2d284c7292c4e9b62c8a28f1e5629c59532 # v4.1.3
 
       - name: Publish to the MCP Registry
         id: mcp_registry