diff --git a/.github/workflows/helm-release.yaml b/.github/workflows/helm-release.yaml
index 7308609..50b9c6e 100644
--- a/.github/workflows/helm-release.yaml
+++ b/.github/workflows/helm-release.yaml
@@ -29,7 +29,7 @@ jobs:
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
       - name: Setup cosign
-        uses: sigstore/cosign-installer@v3.4.0
+        uses: sigstore/cosign-installer@v4.1.1
         with:
           cosign-release: v2.2.3
 
diff --git a/.github/workflows/update-devcontainer-image.yaml b/.github/workflows/update-devcontainer-image.yaml
index 15f81d2..4652cbb 100644
--- a/.github/workflows/update-devcontainer-image.yaml
+++ b/.github/workflows/update-devcontainer-image.yaml
@@ -25,7 +25,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Install cosign
-        uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0
+        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
         with:
           cosign-release: v2.2.3
       - name: Install regctl