diff --git a/requirements.txt b/requirements.txt
index 28d449c..e5f952c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ numpy == 1.19.2
 opencv_contrib_python == 3.4.0.12
 
 # pysbpl/setup.py: 1
-setuptools == 20.7.0
+setuptools == 65.5.1