diff --git a/requirements.lock b/requirements.lock
index 8e849bf..ccaffdc 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -1,7 +1,7 @@
 setuptools==46.0.0
 wheel==0.34.2
 twine==3.1.1
-nmslib==2.0.5
+nmslib==2.0.5 --no-binary=nmslib
 numpy==1.18.1
 matplotlib==3.2.0
 scikit-learn==0.22.2.post1