diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index c00d617..7f2bc3c 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -39,7 +39,7 @@ jobs:
         # Install the cosign tool except on PR
         # https://github.com/sigstore/cosign-installer
         - name: Install cosign
-          uses: sigstore/cosign-installer@v3.8.1
+          uses: sigstore/cosign-installer@v4.0.0
           with:
             cosign-release: 'v2.4.3'