Update .travis.yml

scheinerman · web-flow · commit 29f6fa9748f9 · 2021-03-26T13:21:19.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,7 @@ language: julia
 os:
   - linux
 julia:
-  - 1.5
+  - 1.6
 notifications:
   email: false
 git:
