diff --git a/.travis.yml b/.travis.yml
index 41295bf..5b03368 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,10 +18,10 @@ matrix:
   # Cabal
   - ghc: 8.2.2
   - ghc: 8.4.4
-  - ghc: 8.6.3
+  - ghc: 8.6.4
 
   # Stack
-  - ghc: 8.6.3
+  - ghc: 8.6.4
     env: STACK_YAML="$TRAVIS_BUILD_DIR/stack.yaml"
 
 install: