diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index b264fb1..01d3c5f 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -13,7 +13,7 @@ jobs:
     - uses: cachix/install-nix-action@v26
       with:
         nix_path: nixpkgs=channel:nixos-unstable
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: nix-dev
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 25ec191..78d3f14 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     - uses: cachix/install-nix-action@v26
       with:
         nix_path: nixpkgs=channel:nixos-unstable
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: nix-dev
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -29,7 +29,7 @@ jobs:
     - uses: cachix/install-nix-action@v26
       with:
         nix_path: nixpkgs=channel:nixos-unstable
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: nix-dev
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'