diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 272d866..4ac886f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -181,7 +181,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3.5.0
+        uses: sigstore/cosign-installer@v4.1.1
 
       - name: Sign container image
         env: