diff --git a/backend/oauth_connect.json b/backend/oauth_connect.json
index cec49861cd..cb874eb2c7 100644
--- a/backend/oauth_connect.json
+++ b/backend/oauth_connect.json
@@ -16,9 +16,9 @@
     "scopes": ["repository"]
   },
   "slack": {
-    "auth_url": "https://slack.com/oauth/authorize",
-    "token_url": "https://slack.com/api/oauth.access",
-    "scopes": ["chat:write:user", "users:read", "users:read.email"]
+    "auth_url": "https://slack.com/oauth/v2/authorize",
+    "token_url": "https://slack.com/api/oauth.v2.access",
+    "scopes": ["chat:write", "chat:write.public", "channels:join", "files:write"]
   },
   "supabase_wizard": {
     "auth_url": "https://api.supabase.com/v1/oauth/authorize",