diff --git a/.travis.yml b/.travis.yml
index 5a53eea..e980bb8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,13 +6,11 @@ elixir:
   - 1.3
   - 1.4
 otp_release:
-  - 18.2
-  - 19
+  - 18.3
+  - 19.3
 script:
   - MIX_ENV=test mix test --trace
 after_success:
   - MIX_ENV=test mix credo -a
   - mix coveralls.travis
-services:
-  - redis-server
 sudo: false