diff --git a/environment.yml b/environment.yml
index b523e555..54111d96 100644
--- a/environment.yml
+++ b/environment.yml
@@ -23,3 +23,4 @@ dependencies:
   - sphinx <7.1.2
   - pip:
     - autodoc_pydantic<2.0.0
+    - git+https://github.com/openforcefield/openff-models.git@fix-openmm