diff --git a/requirements.txt b/requirements.txt
index 2f0cfdf..d0adc44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.15.4
+numpy==1.21.0
 Pillow==9.0.0
 pytz==2019.3
 six==1.13.0