diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index eb4c4e46e..8b5621396 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -21,7 +21,7 @@ jobs:
     name: Check source
     runs-on: ubuntu-latest
     steps:
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v14
@@ -35,7 +35,7 @@ jobs:
     name: Check dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v14
@@ -61,7 +61,7 @@ jobs:
           remove-haskell: 'true'
           remove-codeql: 'true'
           remove-docker-images: 'true'
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           extra_nix_config: |
@@ -77,7 +77,7 @@ jobs:
     name: Build docs
     runs-on: ubuntu-latest
     steps:
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v14
@@ -104,7 +104,7 @@ jobs:
           remove-haskell: 'true'
           remove-codeql: 'true'
           remove-docker-images: 'true'
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           extra_nix_config: |