diff --git a/requirements/scipy_mamba.txt b/requirements/scipy_mamba.txt
index 90e9f31..298d187 100644
--- a/requirements/scipy_mamba.txt
+++ b/requirements/scipy_mamba.txt
@@ -19,7 +19,7 @@ modelcif
 natsort
 numba
 numexpr
-openmm == 7.7.0
+openmm  # == 7.7.0
 openpyxl
 pandas <2.0.0
 patsy