diff --git a/pyproject.toml b/pyproject.toml
index b515f09b..02435517 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ dependencies = [
     "build >=1.0.3,<2.0.0",
     "cachecontrol[filecache] >=0.14.0,<0.15.0",
     "crashtest >=0.4.1,<0.5.0",
-    "dulwich >=0.21.2,<0.22.0",
+    "dulwich >=0.22.6,<0.23.0",
     "fastjsonschema >=2.18.0,<3.0.0",
     'importlib-metadata >= 4.4 ;  python_version <"3.10"',
     "installer >=0.7.0,<0.8.0",