diff --git a/requirements.txt b/requirements.txt
index ff56006..20d4ce9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.13.3
+numpy==1.22.0
 pandas==0.23.4
 scipy==1.0.0
 Cython==0.28.5