diff --git a/.gitignore b/.gitignore
index 36c32bd7f..65b76a939 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 dist
 .cabal-sandbox
 cabal.sandbox.config
+*.hi
+*.o
diff --git a/.travis.yml b/.travis.yml
index 4698c6a7a..061e383c6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,7 @@ env:
  - CABALVER=1.22 GHCVER=7.10.1
  - CABALVER=1.22 GHCVER=7.10.2
  - CABALVER=1.22 GHCVER=7.10.3
+ - CABALVER=1.24 GHCVER=8.0.1
  - CABALVER=head GHCVER=head
 
 # Note: the distinction between `before_install` and `install` is not