diff --git a/.travis.yml b/.travis.yml
index 46b2763..d8fec94 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -76,9 +76,9 @@ matrix:
   - env: BUILD=cabal GHCVER=8.2.2 CABALVER=1.24 HAPPYVER=1.19.5 ALEXVER=3.1.7
     compiler: ": #cabal 8.2.2"
     addons: {apt: {packages: [cabal-install-1.24,ghc-8.2.2,happy-1.19.5,alex-3.1.7], sources: [hvr-ghc]}}
-  - env: BUILD=cabal GHCVER=8.4.1 CABALVER=1.24 HAPPYVER=1.19.5 ALEXVER=3.1.7
-    compiler: ": #cabal 8.4.1"
-    addons: {apt: {packages: [cabal-install-1.24,ghc-8.4.1,happy-1.19.5,alex-3.1.7], sources: [hvr-ghc]}}
+  - env: BUILD=cabal GHCVER=8.4.3 CABALVER=1.24 HAPPYVER=1.19.5 ALEXVER=3.1.7
+    compiler: ": #cabal 8.4.3"
+    addons: {apt: {packages: [cabal-install-1.24,ghc-8.4.3,happy-1.19.5,alex-3.1.7], sources: [hvr-ghc]}}
 
   # Build with the newest GHC and cabal-install. This is an accepted failure,
   # see below.