diff --git a/environment.yml b/environment.yml
index 472a8820fc98e255b71c71a167c400b6018ade76..5f5a0ea995a5d485197affe94b19497d95384d6c 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,4 +2,5 @@ name: MBEM-2020
 channels:
   - defaults
 dependencies:
-  - matplotlib
\ No newline at end of file
+  - matplotlib
+  - sympy
\ No newline at end of file