diff --git a/.travis.yml b/.travis.yml
index 0bbb4df..e90325f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 sudo: false
 language: erlang
 otp_release:
+  - 21.0-rc2
   - 20.0
   - 19.3
   - 18.3