diff --git a/requirements.txt b/requirements.txt
index ac0dff2..e5829f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cycler==0.10.0
 dill==0.3.0
 kiwisolver==1.1.0
 matplotlib==3.1.0
-mpmath==1.1.0
+mpmath==1.3.0
 multiprocess==0.70.8
 numexpr==2.6.9
 numpy==1.16.1