diff --git a/.travis.yml b/.travis.yml
index 2297273..5505c8e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,12 +7,18 @@ dist: trusty
 
 matrix:
   include:
+    - env: CABALVER=1.16 GHCVER=7.6.3
+      addons: {apt: {packages: [cabal-install-1.16,ghc-7.6.3], sources: [hvr-ghc]}}
     - env: CABALVER=1.22 GHCVER=7.8.4
       addons: {apt: {packages: [cabal-install-1.22,ghc-7.8.4], sources: [hvr-ghc]}}
     - env: CABALVER=1.24 GHCVER=7.10.2
       addons: {apt: {packages: [cabal-install-1.24,ghc-7.10.2], sources: [hvr-ghc]}}
     - env: CABALVER=1.24 GHCVER=8.0.1
       addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.1], sources: [hvr-ghc]}}
+    - env: CABALVER=2.0 GHCVER=8.2.2
+      addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.2], sources: [hvr-ghc]}}
+    - env: CABALVER=2.2 GHCVER=8.4.1
+      addons: {apt: {packages: [cabal-install-2.2,ghc-8.4.1], sources: [hvr-ghc]}}
     - env: CABALVER=head GHCVER=head
       addons: {apt: {packages: [cabal-install-head,ghc-head],  sources: [hvr-ghc]}}