1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index b10822a..748baa9 100644
--- a/setup.py
+++ b/setup.py
@@ -8,5 +8,5 @@ setup(
     description="LDAP Authentication Plugin for Radicale 2",
     author="Raoul Thill",
     license="GNU GPL v3",
-    install_requires=["radicale>=2.0", "ldap3"],
+    install_requires=["radicale >= 2.0", "ldap3 >= 2.3, < 2.4"],
     packages=["radicale_auth_ldap"])