diff --git a/variable_neutral_line_manipulator/requirements.txt b/variable_neutral_line_manipulator/requirements.txt
index 2582b5d..f2cd20a 100644
--- a/variable_neutral_line_manipulator/requirements.txt
+++ b/variable_neutral_line_manipulator/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.15.2
+numpy==1.22.0
 pyrr==0.10.3
 pyside2==5.15.0
 rx==3.0.1