Use OTP 21

andreineculau · web-flow · commit 7db33e508ec3 · 2018-06-28T20:31:20.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,8 +2,7 @@ sudo: false
 language:
   - erlang
 otp_release:
-  - 21.0-rc2
-  - 21.0-rc1
+  - 21.0
   - 20.1
   - 20.0
   - 19.3
