diff --git a/requirements.txt b/requirements.txt
index af20344..96b9c66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 lasio==0.24.1
 matplotlib==3.1.1
-numpy==1.16.5
+numpy==1.22.0
 numpy-stl==2.10.1
 pandas==0.25.1
 welly==0.4.5