diff --git a/requirements.txt b/requirements.txt
index eec1438..c4bd399 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cycler==0.10.0
 kiwisolver==1.0.1
 lxml==4.6.3
 matplotlib==2.2.3
-mpmath==1.0.0
+mpmath==1.3.0
 numpy==1.15.3
 pandas==0.22.0
 pyparsing==2.2.2