diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6004c92..13c67ef 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,7 +4,7 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v3.5.2
     - uses: cachix/install-nix-action@v12
     - uses: cachix/cachix-action@v8
       with:
diff --git a/.github/workflows/update-niv.yml b/.github/workflows/update-niv.yml
index 310c0d0..0c35471 100644
--- a/.github/workflows/update-niv.yml
+++ b/.github/workflows/update-niv.yml
@@ -9,7 +9,7 @@ jobs:
   update-dependencies:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v3.5.2
     - uses: cachix/install-nix-action@v12
     # https://github.com/nmattia/niv/issues/280
     - run: GITHUB_PATH= nix-shell --run "niv update"