diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index ea28ef14f..c15d5b508 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v14
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - run: ./ci/test.sh
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index c53cb8deb..da843ccf6 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: '0'
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v14
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - name: update nur / nur-combined
@@ -26,7 +26,7 @@ jobs:
     needs: update_nur
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v14
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - name: update nur-search/data/packages.json