Add latest Erlang VMs to the test matrix
diff --git a/.travis.yml b/.travis.yml
index bab69d6..2865a8a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,9 @@
 notifications:
   email: paul.joseph.davis@gmail.com
 otp_release:
+   - 17.5
+   - 17.4
+   - 17.3
    - 17.1
    - 17.0
    - R16B03-1