diff --git a/environment.txt b/environmenta.yml
similarity index 84%
rename from environment.txt
rename to environmenta.yml
index 3287dedf77378f14b63f835c841da17f3ba8112e..31ac489077a04d7aac9846cd9d65d8d800e16564 100644
--- a/environment.txt
+++ b/environmenta.yml
@@ -3,3 +3,4 @@ channels:
   - conda-forge
 dependencies:
   - matlab_kernel tornado==4.5.3
+  - python=3.5