diff --git a/.travis.yml b/.travis.yml
index ecb2176..f17cfcc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ notifications:
 elixir:
   - 1.0.2
 otp_release:
-  - 17.0
-  - 17.1
+  - 18.0
+  - 18.1
 sudo: false
 script: mix test --no-start