diff --git a/requirements.txt b/requirements.txt
index 204c939..42a31e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cycler==0.10.0
 dipde==0.2.0
 matplotlib==1.5.1
 mpi4py==2.0.0
-mpmath==0.19
+mpmath==1.3.0
 numpy==1.22.0
 pandas==0.16.2
 py==1.4.31