diff --git a/requirements.txt b/requirements.txt
index 56dd275..83063c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==2.0.0
-numpy==1.18
+numpy==1.22.0
 scipy==1.1.0
 tqdm==4.48.2
 pillow