diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8caf9b38..1b9e8938 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,12 +34,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: ${{ inputs.branch }}
 
       - name: Install nix
-        uses: cachix/install-nix-action@v16
+        uses: cachix/install-nix-action@v18
 
       - uses: cachix/cachix-action@v12
         with:
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index a8af9245..f67915e4 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -13,12 +13,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Install nix
-        uses: cachix/install-nix-action@v16
+        uses: cachix/install-nix-action@v18
 
       - uses: cachix/cachix-action@v12
         with: