diff --git a/.github/workflows/cli-ci.yml b/.github/workflows/cli-ci.yml
index 1390d9e..d74d748 100644
--- a/.github/workflows/cli-ci.yml
+++ b/.github/workflows/cli-ci.yml
@@ -42,7 +42,7 @@ jobs:
         run: npm run build
 
       - name: Install cosign (so the install step can verify the keyless signature)
-        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
         with:
           cosign-release: v2.4.1
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 030c387..2c15209 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -58,7 +58,7 @@ jobs:
           syft-version: v1.18.1
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
         with:
           cosign-release: v2.4.1