diff --git a/requirements.txt b/requirements.txt
index ddc1758..7aa2757 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ kiwisolver==1.0.1
 matplotlib==2.2.2
 numpy==1.15.1
 pandas==0.23.4
-pip==18.0
+pip==21.1
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5