diff --git a/docker/environment.yml b/docker/environment.yml
index 864fa555b..bde0f3df5 100644
--- a/docker/environment.yml
+++ b/docker/environment.yml
@@ -5,9 +5,10 @@ channels:
   - defaults
 dependencies:
   - python>=3.6
-  - cadquery=2
+  - cadquery=2.1
   - pip
   - numpy
   - scipy
+  - nptyping=1.4.4
   - pip:
     - solidpython