diff --git a/requirements.txt b/requirements.txt
index 1724708..8764201 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 scipy==0.18.0
 setuptools==34.0.2
-numpy==1.12.0
+numpy==1.22.0
 statsmodels==0.8.0
 matplotlib==1.4.3
 lifelines==0.8.0.0