diff --git a/.travis.yml b/.travis.yml
index d56f24c..e365bd7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,9 @@ rust:
   - 1.47.0
   - 1.48.0
   - 1.49.0
+  - 1.50.0
+  - 1.51.0
+  - 1.52.0
   - stable
   - beta
   - nightly