diff --git a/requirements.txt b/requirements.txt
index 48660d08..0157212e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy == 1.21.3
+numpy == 1.21.4
 scipy == 1.7.1
 pandas == 1.3.4
 matplotlib == 3.4.3