diff --git a/requirements.txt b/requirements.txt
index 1d637f2..30846f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 cycler==0.10.0
 kiwisolver==1.0.1
 matplotlib==3.0.2
-numpy==1.15.4
+numpy==1.22.0
 Pillow==6.2.0
 pyparsing==2.3.0
 python-dateutil==2.7.5