diff --git a/.travis.yml b/.travis.yml
index 3c52c65..b3b807a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ matrix:
   include:
     - env: NIX_CHANNEL=https://nixos.org/channels/nixpkgs-unstable
     - env: NIX_CHANNEL=https://nixos.org/channels/nixos-unstable
-    - env: NIX_CHANNEL=https://nixos.org/channels/nixos-19.03
+    - env: NIX_CHANNEL=https://nixos.org/channels/nixos-19.09
 
 install:
  - nix --version