diff --git a/environment.yml b/environment.yml
index 9e12aaad60886092530fcbb8d6caf354a55dc263..2a400f313c91d12f2d1c9449c215f57722c95ad1 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,5 +3,5 @@ channels:
   - conda-forge
 dependencies:
   - python=3.5
-  - matlab_kernel=4.5.3
+  - matlab_kernel
   - dask-labextension