diff --git a/requirements.txt b/requirements.txt
index 01809ce..e6ca254 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pandas==1.2.4
-numpy==1.20.2
+numpy==1.22.0
 scipy==1.6.3
 matplotlib==3.3.2
 pymap3d==2.6.1