diff --git a/requirements.txt b/requirements.txt
index d5b1034..876a599 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 astropy==4.3.post1
-numpy==1.21.1
+numpy==1.22.0
 pillow==8.3.1
 pyserial==3.5
 scipy==1.7.1