diff --git a/requirements.txt b/requirements.txt
index 95cd90d..e52a715 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ black<20.0,>=18.3
 codecov==2.*,>=2.0.0
 coverage==5.*,>=5.0.0
 joblib==0.*,>=0.14.1
-numpy==1.*,>=1.16.0
+numpy>=1,<3
 pandas==1.*,>=1.3.0
 pre-commit==1.*,>=1.18.0
 pytest==5.*,>=5.3.0