diff --git a/.github/workflows/validations.yaml b/.github/workflows/validations.yaml
index 296c7e6bd..d070dc6a2 100644
--- a/.github/workflows/validations.yaml
+++ b/.github/workflows/validations.yaml
@@ -210,7 +210,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Install Cosign
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
 
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 #v5.0.0
         with: