diff --git a/.github/workflows/nightly_release.yml b/.github/workflows/nightly_release.yml
index 9e8af71..b401a8d 100644
--- a/.github/workflows/nightly_release.yml
+++ b/.github/workflows/nightly_release.yml
@@ -178,7 +178,7 @@ jobs:
       -
         name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149
+        uses: sigstore/cosign-installer@b18d21aaa20ef40c4e681202a598b7591d5be577
         with:
           cosign-release: 'v1.4.0'
       -
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0745c7a..39b76ea 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -216,7 +216,7 @@ jobs:
       -
         name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149
+        uses: sigstore/cosign-installer@b18d21aaa20ef40c4e681202a598b7591d5be577
         with:
           cosign-release: 'v1.4.0'
       -