diff --git a/requirements.txt b/requirements.txt
index 2976f5d..b31d619 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 attrs==17.4.0
 cycler==0.10.0
-numpy==1.14.0
+numpy==1.22.0
 pluggy==0.6.0
 py==1.5.2
 pykep==2.1