diff --git a/requirements.txt b/requirements.txt
index 89b1042..bd5d837 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 
-numpy==1.21.2
+numpy==1.21.4
 scipy==1.7.2
 coloredlogs==15.0.1
 matplotlib==3.4.3