diff --git a/stubs/ldap3/ldap3/core/connection.pyi b/stubs/ldap3/ldap3/core/connection.pyi
index d40527a1430b..b961f60cd632 100644
--- a/stubs/ldap3/ldap3/core/connection.pyi
+++ b/stubs/ldap3/ldap3/core/connection.pyi
@@ -70,7 +70,7 @@ class Connection:
         server: Server | str | _ServerSequence | ServerPool,
         user: str | None = None,
         password: str | None = None,
-        auto_bind: Literal["DEFAULT", "NONE", "NO_TLS", "TLS_BEFORE_BIND", "TLS_AFTER_BIND"] = "DEFAULT",
+        auto_bind: Literal["DEFAULT", "NONE", "NO_TLS", "TLS_BEFORE_BIND", "TLS_AFTER_BIND"] | bool = "DEFAULT",
         version: int = 3,
         authentication: Literal["ANONYMOUS", "SIMPLE", "SASL", "NTLM"] | None = None,
         client_strategy: Literal[