diff --git a/fitclone/requirements.txt b/fitclone/requirements.txt
index 00e0fcf..dc282fb 100644
--- a/fitclone/requirements.txt
+++ b/fitclone/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==2.2.3
-numpy==1.16.2
+numpy==1.22.0
 scipy==1.1.0
 xarray==0.11.0
 pandas==0.24.2