diff --git a/requirements.txt b/requirements.txt
index a06ff14..1ba1746 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ ipython==3.1.0
 matplotlib==1.4.3
 mock==1.0.1
 nose==1.3.6
-numpy==1.9.2
+numpy==1.22.0
 pandas==0.16.1
 pyparsing==2.0.3
 python-dateutil==2.4.2