diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index 238cb8436..15656cb87 100644
--- a/.github/workflows/github_pages.yml
+++ b/.github/workflows/github_pages.yml
@@ -14,7 +14,7 @@ jobs:
     - uses: cachix/install-nix-action@v23
       with:
         nix_path: nixpkgs=channel:nixos-unstable
-    - uses: cachix/cachix-action@v13
+    - uses: cachix/cachix-action@v15
       with:
         name: nix-community
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9648d19a6..0e8127715 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     - uses: cachix/install-nix-action@v23
       with:
         nix_path: nixpkgs=channel:nixos-23.11
-    - uses: cachix/cachix-action@v13
+    - uses: cachix/cachix-action@v15
       with:
         name: nix-community
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'