diff --git a/requirements.txt b/requirements.txt
index 0b21025..468e56f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cached-property==1.3.0
 cycler==0.10.0
 ete3==3.0.0b35
 matplotlib==1.5.1
-numpy==1.11.0
+numpy==1.22.0
 pyparsing==2.1.4
 python-dateutil==2.5.3
 pytz==2016.4