diff --git a/.travis.yml b/.travis.yml
index 05d16e49b..d73e4860f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: csharp # Comes with Mono automatically.
 mono: none # ..speeds up builds by not installing Mono.
 dist: trusty
-dotnet: 2.1.4
+dotnet: 2.1.607
 
 notifications:
   email: