diff --git a/.github/workflows/cargo-test.yml b/.github/workflows/cargo-test.yml
index b1de0717..92e69b28 100644
--- a/.github/workflows/cargo-test.yml
+++ b/.github/workflows/cargo-test.yml
@@ -46,7 +46,7 @@ jobs:
           key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v4.1.0
+        uses: docker/login-action@v4.2.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
diff --git a/.github/workflows/flakehub.yml b/.github/workflows/flakehub.yml
index 4a4d84c7..f8c45a99 100644
--- a/.github/workflows/flakehub.yml
+++ b/.github/workflows/flakehub.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: "actions/checkout@v6"
         with:
           persist-credentials: false
-      - uses: "DeterminateSystems/determinate-nix-action@v3.20.0"
+      - uses: "DeterminateSystems/determinate-nix-action@v3.21.0"
       - uses: "DeterminateSystems/flakehub-push@main"
         with:
           name: "Zoo/cli"