diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index b63dbff86..8f6d0cf75 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -10,7 +10,7 @@ jobs:
         uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
diff --git a/.github/workflows/release-tip.yml b/.github/workflows/release-tip.yml
index d5bb85537..f0a89873c 100644
--- a/.github/workflows/release-tip.yml
+++ b/.github/workflows/release-tip.yml
@@ -47,7 +47,7 @@ jobs:
       - uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cd9516a83..9268ed79f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,7 +30,7 @@ jobs:
       - uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
@@ -51,7 +51,7 @@ jobs:
       - uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
@@ -73,7 +73,7 @@ jobs:
       - uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
@@ -150,7 +150,7 @@ jobs:
       - uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
@@ -174,7 +174,7 @@ jobs:
       - uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
@@ -188,7 +188,7 @@ jobs:
       - uses: cachix/install-nix-action@v24
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
           name: ghostty
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"