diff --git a/requirements.txt b/requirements.txt
index fcb7181..c1fa4e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 matplotlib==3.0.2
 nimfa==1.3.4
-numpy==1.15.4
\ No newline at end of file
+numpy==1.22.0
\ No newline at end of file