diff --git a/.travis.yml b/.travis.yml
index 66812ad0..b36a1db7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,9 @@ env:
  - CABALVER=1.18 GHCVER=7.8.3
  - CABALVER=1.22 GHCVER=7.10.1
  - CABALVER=1.24 GHCVER=8.0.1
- - CABALVER=2.0 GHCVER=8.2.1
+ - CABALVER=2.0 GHCVER=8.2.2
+ - CABALVER=2.2 GHCVER=8.4.3
+ - CABALVER=2.4 GHCVER=8.6.1
  - CABALVER=head GHCVER=head  # see section about GHC HEAD snapshots
  - WINDOWS=yes
  - STACK=lts-2
diff --git a/tttool.cabal b/tttool.cabal
index 450da36d..660dfdb3 100644
--- a/tttool.cabal
+++ b/tttool.cabal
@@ -52,13 +52,13 @@ executable tttool
     Utils
 
   build-depends:
-    base        >= 4.5 && < 4.11,
+    base        >= 4.5 && < 4.13,
     binary      >= 0.5 && < 0.9,
     containers  == 0.4.*   ||  == 0.5.*,
     directory   >= 1.2 && < 1.4,
     executable-path == 0.0.*,
     filepath    == 1.3.*   ||  == 1.4.*,
-    template-haskell >= 2.7 && < 2.13,
+    template-haskell >= 2.7 && < 2.15,
 
     JuicyPixels >= 3.2.5   &&   < 3.3,
     aeson       >= 0.7     &&   < 1.3,