diff --git a/requirements.txt b/requirements.txt
index 52cbda0f..ac00d892 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ click
 configupdater
 cssutils
 domdf-python-tools>=0.4.1
-dulwich==0.19.16
+dulwich==0.20.6
 email_validator
 importlib_resources
 jinja2>=2.11.2