diff --git a/.travis.yml b/.travis.yml
index c47afbc..27a4fe7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,2 +1,4 @@
-language: node_js
-script: INVARIANT=1 make test
\ No newline at end of file
+language: bash
+script: bash test.sh
+before_install:
+    - sudo apt-get install bc