diff --git a/setup.cfg b/setup.cfg
index a94a25be676701345d0f3668d75cc7ffe80f259f..c4d34c53509028ff6f83928eaebb3ad3da860fac 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,7 +25,7 @@ install_requires =
     jupyter
     matplotlib
     mdanalysis
-    mdtraj
+    mdtraj @ git+https://github.com/mdtraj/mdtraj@master # fix for macOS (to be modified by a stable release of mdtraj)
     numba
     numpy
     pandas