diff --git a/requirements.txt b/requirements.txt
index 6dfec89..a2a619f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # install with 'pip install -r requirements.txt'
 trio==0.13.0
-setuptools==46.0.0
+setuptools==65.5.1
 numpy==1.18.1
 matplotlib==3.1.3
 imageio==2.8.0