diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5e58b24..00b02b7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -71,7 +71,7 @@ jobs:
             ./cmd/server
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@d58896d6a1865668819e1d91763c7751a165e159 # v3.9.2
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
 
       - name: Sign Image with Cosign
         env: