diff --git a/.travis.yml b/.travis.yml
index 4fd84b19a4..12498ccb9a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,6 +25,7 @@ before_install:
   - haxelib -notimeout install nape
   - haxelib -notimeout install task
   - haxelib -notimeout install hscript
+  - haxelib -notimeout install poly2trihx
   - haxelib git openfl-bitfive https://github.com/YellowAfterlife/openfl-bitfive
   - haxelib git firetongue https://github.com/larsiusprime/firetongue
   - haxelib git flixel-tools https://github.com/HaxeFlixel/flixel-tools