diff --git a/sub1/requirements.txt b/sub1/requirements.txt
index 0a9d77b..d615387 100644
--- a/sub1/requirements.txt
+++ b/sub1/requirements.txt
@@ -8,7 +8,7 @@ Jinja2==2.10.3
 kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.2
-numpy==1.17.3
+numpy==1.22.0
 pandas==0.25.3
 pyparsing==2.4.5
 python-dateutil==2.8.1