diff --git a/.travis.yml b/.travis.yml
index 1ec6bc9f..93e30544 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,10 +30,10 @@ matrix:
       compiler: "ghc-8.2.2"
       addons: {apt: {packages: [cabal-install-head,ghc-8.2.2], sources: [hvr-ghc]}}
     - env: BENCH=--disable-benchmarks EXTRAFLAGS="--allow-newer=time"
-      compiler: "ghc-8.4.3"
-      addons: {apt: {packages: [cabal-install-head,ghc-8.4.3], sources: [hvr-ghc]}}
-    - compiler: "ghc-8.6.1"
-      addons: {apt: {packages: [cabal-install-head,ghc-8.6.1], sources: [hvr-ghc]}}
+      compiler: "ghc-8.4.4"
+      addons: {apt: {packages: [cabal-install-head,ghc-8.4.4], sources: [hvr-ghc]}}
+    - compiler: "ghc-8.6.4"
+      addons: {apt: {packages: [cabal-install-head,ghc-8.6.4], sources: [hvr-ghc]}}
     - compiler: "ghc-head"
       addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}