diff --git a/requirements.txt b/requirements.txt
index b5f6c5f..dfb7629 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 tinycta==0.7.15
-cvxsimulator==1.3.8
+cvxsimulator==1.3.9
 ipywidgets
 pre-commit