diff --git a/.github/workflows/nightly_release.yml b/.github/workflows/nightly_release.yml
index e3e732c..21c1612 100644
--- a/.github/workflows/nightly_release.yml
+++ b/.github/workflows/nightly_release.yml
@@ -185,7 +185,7 @@ jobs:
       -
         name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@789d2886c082e8fb7b9710810b73c3f0840573ed
+        uses: sigstore/cosign-installer@c56c2d3e59e4281cc41dea2217323ba5694b171e
         with:
           cosign-release: 'v1.4.0'
       -
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cd9b465..c42ad76 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -223,7 +223,7 @@ jobs:
       -
         name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@789d2886c082e8fb7b9710810b73c3f0840573ed
+        uses: sigstore/cosign-installer@c56c2d3e59e4281cc41dea2217323ba5694b171e
         with:
           cosign-release: 'v1.4.0'
       -