diff --git a/.github/workflows/e2e-test-fleet-in-rancher.yml b/.github/workflows/e2e-test-fleet-in-rancher.yml
index a6c9abea33..babf55122e 100644
--- a/.github/workflows/e2e-test-fleet-in-rancher.yml
+++ b/.github/workflows/e2e-test-fleet-in-rancher.yml
@@ -227,7 +227,7 @@ jobs:
 
       -
         name: Checkout rancher/rancher
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
           fetch-depth: 0
           repository: rancher/rancher
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 85a3e737ca..e1dafff802 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -80,7 +80,7 @@ jobs:
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - uses: rancherlabs/slsactl/actions/install-slsactl@883774aee17dd2d82f388f3e93a8df623c3437a6 # v0.0.16
 
       - name: "Read Vault Secrets"