diff --git a/environments/access-med/environment.yml b/environments/access-med/environment.yml
index 44e2b7e..d2ef746 100644
--- a/environments/access-med/environment.yml
+++ b/environments/access-med/environment.yml
@@ -65,7 +65,7 @@ dependencies:
 - xgboost >1.6.1  # github.com/ESMValGroup/ESMValTool/issues/2779
 - med-diagnostics==0.0.1 # pining for now
 - cdms2
-- access-med-tools
+- access-med-tools==0.1.9
 - pip:
   - railroad-diagrams ### Unlisted dependency of pip and pyparsing 
   - git+https://github.com/rubisco-sfa/ILAMB.git@v2.7.1