diff --git a/Requirements-Nix.txt b/Requirements-Nix.txt
index ac287623..b987dc7a 100644
--- a/Requirements-Nix.txt
+++ b/Requirements-Nix.txt
@@ -1,4 +1,4 @@
-numpy==1.9.1
+numpy==1.22.0
 matplotlib==1.4.2
 pandas==0.15.2
 psutil==2.2.0