diff --git a/tg/tg_database.py b/tg/tg_database.py
index eb3c7fa..313cb41 100644
--- a/tg/tg_database.py
+++ b/tg/tg_database.py
@@ -9,9 +9,9 @@ class TgDatabase(database.BasicDatabase):
         CREATE TABLE IF NOT EXISTS chats (
             id BIGINT,
             active TINYINT NOT NULL DEFAULT 0,
-            rules VARCHAR(2000),
-            greeting_join VARCHAR(1000),
-            ai_prompt VARCHAR(2048),
+            rules VARCHAR(4000),
+            greeting_join VARCHAR(2000),
+            ai_prompt VARCHAR(4000),
             PRIMARY KEY (id))
         """)
 
diff --git a/vk/vk_database.py b/vk/vk_database.py
index 8660c5b..4ba8b2e 100644
--- a/vk/vk_database.py
+++ b/vk/vk_database.py
@@ -9,11 +9,11 @@ class VkDatabase(database.BasicDatabase):
         CREATE TABLE IF NOT EXISTS chats (
             id BIGINT,
             active TINYINT NOT NULL DEFAULT 0,
-            rules VARCHAR(2000),
-            greeting_join VARCHAR(1000),
-            greeting_rejoin VARCHAR(1000),
-            birthday_message VARCHAR(1000),
-            ai_prompt VARCHAR(2048),
+            rules VARCHAR(4000),
+            greeting_join VARCHAR(2000),
+            greeting_rejoin VARCHAR(2000),
+            birthday_message VARCHAR(2000),
+            ai_prompt VARCHAR(4000),
             PRIMARY KEY (id))
         """)