diff --git a/.travis.yml b/.travis.yml
index 3020384..5c63b2e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: nix
 env:
-  NIX_PATH="nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/nixos-17.09.tar.gz"
+  NIX_PATH="nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/nixos-18.03.tar.gz"
 
 script:
     - nix-build tests/intern.nix