diff --git a/requirements.txt b/requirements.txt
index e5e3bd9..e3f0f12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 ipython==4.2.0
 jupyter==1.0.0
 matplotlib==1.5.2
-numpy==1.11.1
+numpy==1.22.0
 pandas==0.18.1
 scipy==0.17.1