diff --git a/.travis.yml b/.travis.yml
index 29d008d..6eb9449 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ sudo: false
 language: rust
 rust:
   - nightly
-  - nightly-2019-04-11 # Minimum supported
+  - nightly-2019-04-18 # Minimum supported
 branches:
   only:
   - master