diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4b5af7e..87159b5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -82,7 +82,7 @@ jobs:
             --compression-format=zstd:chunked
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@7e8b541eb2e61bf99390e1afd4be13a184e9ebc5 # v3.10.1
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
         if: github.event_name != 'pull_request'
 
       - name: Sign container image