diff --git a/.travis.yml b/.travis.yml
index ca23b1fa..17c9ace8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ os:
   - linux
   - osx
 julia:
-  - 1.3
+  - 1.5
   # - nightly
 
 codecov: true
diff --git a/Project.toml b/Project.toml
index 6d09555c..3c2caf98 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "TrajectoryOptimization"
 uuid = "c79d492b-0548-5874-b488-5a62c1d9d0ca"
-version = "0.4.1"
+version = "0.4.2"
 
 [deps]
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"