diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a672c88..8903a65 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,9 +34,9 @@ jobs:
         cachixName:
           - redflake
         nixPath:
-          - nixpkgs=channel:nixos-unstable
-          - nixpkgs=channel:nixpkgs-unstable
-          - nixpkgs=channel:nixos-23.11
+          - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixpkgs-unstable.tar.gz
+          - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-unstable.tar.gz
+          - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-24.05.tar.gz
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository