[hotfix] update slack invite url
diff --git a/docs/config.toml b/docs/config.toml
index ffde997..581b92a 100644
--- a/docs/config.toml
+++ b/docs/config.toml
@@ -41,7 +41,7 @@
# 2. In the dropdown menu, click on "Invite people to Apache Flink"
# 3. Click "Edit link settings" and select "Never expires". Save the change.
# 4. Copy the invitation link by clicking on "Copy invite link".
- FlinkSlackInviteUrl = "https://join.slack.com/t/apache-flink/shared_invite/zt-3a5zh8lyt-VSGwlJK827NwMV~Zm9PCew"
+ FlinkSlackInviteUrl = "https://join.slack.com/t/apache-flink/shared_invite/zt-354yyl9vm-LJBlnpbcU~8K_TyIWUhfag"
FlinkStableVersion = "2.1.0"
FlinkStableShortVersion = "2.1"
