1 files changed, 4 insertions, 0 deletions
diff --git a/docs/modules/account_validity_callbacks.md b/docs/modules/account_validity_callbacks.md
index 836bda70bf..3cd0e72198 100644
--- a/docs/modules/account_validity_callbacks.md
+++ b/docs/modules/account_validity_callbacks.md
@@ -9,6 +9,8 @@ The available account validity callbacks are:
 
 ### `is_user_expired`
 
+_First introduced in Synapse v1.39.0_
+
 ```python
 async def is_user_expired(user: str) -> Optional[bool]
 ```
@@ -29,6 +31,8 @@ any of the subsequent implementations of this callback.
 
 ### `on_user_registration`
 
+_First introduced in Synapse v1.39.0_
+
 ```python
 async def on_user_registration(user: str) -> None
 ```