diff --git a/.travis.yml b/.travis.yml
index afd725e5..fda79e6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,11 @@ before_cache:
 
 matrix:
   include:
+    - env: GHCVER=8.6.1  CABALVER=2.4
+      compiler: ": #GHC 8.6.1"
+      addons: { apt: { packages: [cabal-install-2.4,  ghc-8.6.1,  libxrandr-dev]
+                     , sources:  [hvr-ghc]
+                     } }
     - env: GHCVER=8.4.3  CABALVER=2.2
       compiler: ": #GHC 8.4.3"
       addons: { apt: { packages: [cabal-install-2.2,  ghc-8.4.3,  libxrandr-dev]
@@ -28,16 +33,6 @@ matrix:
       addons: { apt: { packages: [cabal-install-1.24, ghc-8.0.1,  libxrandr-dev]
                      , sources:  [hvr-ghc]
                      } }
-#   - env: GHCVER=7.10.3 CABALVER=1.22
-#     compiler: ": #GHC 7.10.3"
-#     addons: { apt: { packages: [cabal-install-1.22, ghc-7.10.3, libxrandr-dev]
-#                    , sources:  [hvr-ghc]
-#                    } }
-#   - env: GHCVER=7.8.4  CABALVER=1.18
-#     compiler: ": #GHC 7.8.4"
-#     addons: { apt: { packages: [cabal-install-1.18, ghc-7.8.4,  libxrandr-dev]
-#                    , sources:  [hvr-ghc]
-#                    } }
 
 before_install:
  - unset CC