diff --git a/environment.yml b/environment.yml
index 4b2cb827f9..6a0001cbdd 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,6 +4,7 @@ channels:
   - rmg
   - conda-forge
   - cantera
+  - anaconda
 dependencies:
   - cairo
   - cairocffi
@@ -27,7 +28,7 @@ dependencies:
   - rmg::muq2
   - networkx
   - rmg::numdifftools
-  - numpy==1.22.0
+  - numpy==1.20.1
   - conda-forge::openbabel >= 3
   - pandas
   - psutil