diff --git a/requirements.txt b/requirements.txt
index af1e912..1fbde9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@
 cycler==0.10.0            # via matplotlib
 kiwisolver==1.2.0         # via matplotlib
 matplotlib==3.2.1
-numpy==1.18.5
+numpy==1.22.0
 pandas==1.0.4
 pyparsing==2.4.7          # via matplotlib
 python-dateutil==2.8.1    # via matplotlib, pandas