diff --git a/.travis.yml b/.travis.yml
index 44bbe9b..f76d1b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,9 @@ matrix:
   include:
   - env:
     - NIXPKGS=https://github.com/NixOS/nixpkgs-channels/archive/nixos-18.09.tar.gz
+  - env:
+    - NIXPKGS=https://github.com/NixOS/nixpkgs-channels/archive/nixos-19.03.tar.gz
 
 script:
   # - nix run nixpkgs.haskellPackages.hlint -c hlint src
-  - nix build -I nixpkgs=$NIXPKGS ./release.nix -A xmonad-masser
+  - nix build -I nixpkgs=$NIXPKGS -f ./release.nix xmonad-masser