diff --git a/ms_ensemble/requirements.txt b/ms_ensemble/requirements.txt
index e9abb29..2f7b6c0 100644
--- a/ms_ensemble/requirements.txt
+++ b/ms_ensemble/requirements.txt
@@ -12,7 +12,7 @@ kiwisolver==1.2.0
 matplotlib==3.2.1
 munch==2.5.0
 networkx==2.4
-numpy==1.18.5
+numpy==1.22.0
 pandas==1.0.4
 Pillow==7.1.2
 pyparsing==2.4.7