diff --git a/_environment.yml b/_environment.yml
index 3c31eaa..7435592 100644
--- a/_environment.yml
+++ b/_environment.yml
@@ -6,7 +6,7 @@ channels:
 dependencies:
   - pip
   - pip:
-    - mxnet==1.9.1
+    - mxnet~=1.7
     - gluonts==0.8.0
     # - numpy==1.16.6
     # - numpy==1.17.2