diff --git a/requirements.txt b/requirements.txt
index 22f058e..80a2ae5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ future==0.16.0
 joblib==0.12.4
 six==1.11.0
 # scientific stack w/o AD
-numpy==1.13.3
+numpy==1.22.0
 scipy==1.1.0
 python-dateutil==2.7.3
 pytz==2018.5