diff --git a/requirements.txt b/requirements.txt
index 648ef47..c6772ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==3.1.3
-mpmath==1.1.0
+mpmath==1.3.0
 gmpy2==2.0.8
 numpy==1.18.1
 scikit-learn==0.22.2.post1