diff --git a/content/client-server-api/_index.md b/content/client-server-api/_index.md
index 63308090..49482cbb 100644
--- a/content/client-server-api/_index.md
+++ b/content/client-server-api/_index.md
@@ -2264,7 +2264,7 @@ The server SHOULD return one of the following responses:
 
 #### Account management {id="oauth-20-account-management"}
 
-{{% added-in v="1.17" %}}
+{{% added-in v="1.18" %}}
 
 All account management is done via the homeserver’s web UI as all endpoints that
 require User-Interactive Authentication are unsupported by this authentication
diff --git a/data/api/client-server/oauth_server_metadata.yaml b/data/api/client-server/oauth_server_metadata.yaml
index a122ef30..ab02e0b0 100644
--- a/data/api/client-server/oauth_server_metadata.yaml
+++ b/data/api/client-server/oauth_server_metadata.yaml
@@ -140,7 +140,7 @@ paths:
                       type: string
                       description: A prompt value that the server supports.
                   account_management_uri:
-                    x-addedInMatrixVersion: "1.17"
+                    x-addedInMatrixVersion: "1.18"
                     type: string
                     format: uri
                     description: |-
@@ -149,7 +149,7 @@ paths:
 
                       This is an extension [defined in this specification](/client-server-api/#oauth-20-account-management).
                   account_management_actions_supported:
-                    x-addedInMatrixVersion: "1.17"
+                    x-addedInMatrixVersion: "1.18"
                     type: array
                     description: |-
                       List of actions that the account management URL supports.