diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45c5901c..e737c3ab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -111,7 +111,7 @@ jobs:
         # actions ecosystem bump the tag and lets reviewers eyeball the
         # human-readable version at a glance.
         if: runner.os != 'Windows'
-        uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da  # v3.7.0
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6  # v4.1.2
 
       - name: Echo cosign version
         if: runner.os != 'Windows'