diff --git a/.travis.yml b/.travis.yml
index 7a2d420..42d814a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,9 @@ env:
  - GHCVER=7.10.3
  - GHCVER=8.0.1
  - GHCVER=8.2.2
- - GHCVER=8.4.3
- - GHCVER=8.6.1
+ - GHCVER=8.4.4
+ - GHCVER=8.6.5
+ - GHCVER=8.8.1
 
 before_install:
  - sudo add-apt-repository -y ppa:hvr/ghc