diff --git a/requirements_dev.txt b/requirements_dev.txt
index 095207b..8be3ee2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ kiwisolver==1.0.1
 libgraph==0.0.3
 nose==1.3.7
 numexpr==2.6.8
-numpy==1.14.5
+numpy==1.22.0
 ply==3.11
 pyparsing==2.2.2
 python-dateutil==2.7.3