diff --git a/.github/workflows/cybersandbox-build.yml b/.github/workflows/cybersandbox-build.yml
index 4251e82..0e5a9cb 100644
--- a/.github/workflows/cybersandbox-build.yml
+++ b/.github/workflows/cybersandbox-build.yml
@@ -185,7 +185,7 @@ jobs:
 
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
 
       # Keyless signing via Fulcio/Rekor: binds the image digest to this
       # workflow's OIDC identity. Sign by digest so we sign content, not
@@ -243,7 +243,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
 
       - name: Resolve image digest
         id: resolve