diff --git a/agent-office/app/db.py b/agent-office/app/db.py
index 392d087..81f95d7 100644
--- a/agent-office/app/db.py
+++ b/agent-office/app/db.py
@@ -9,9 +9,10 @@ from .config import DB_PATH
 
 def _conn() -> sqlite3.Connection:
     os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
-    conn = sqlite3.connect(DB_PATH, timeout=10)
+    conn = sqlite3.connect(DB_PATH, timeout=120.0)
     conn.row_factory = sqlite3.Row
     conn.execute("PRAGMA journal_mode=WAL")
+    conn.execute("PRAGMA busy_timeout=120000")
     return conn
 
 
diff --git a/blog-lab/app/db.py b/blog-lab/app/db.py
index 79e1ab5..a531ad0 100644
--- a/blog-lab/app/db.py
+++ b/blog-lab/app/db.py
@@ -8,9 +8,10 @@ from .config import DB_PATH
 
 def _conn() -> sqlite3.Connection:
     os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
-    conn = sqlite3.connect(DB_PATH)
+    conn = sqlite3.connect(DB_PATH, timeout=120.0)
     conn.row_factory = sqlite3.Row
     conn.execute("PRAGMA journal_mode=WAL")
+    conn.execute("PRAGMA busy_timeout=120000")
     return conn
 
 
diff --git a/lotto/app/db.py b/lotto/app/db.py
index 32bae14..ae9f678 100644
--- a/lotto/app/db.py
+++ b/lotto/app/db.py
@@ -9,8 +9,10 @@ DB_PATH = "/app/data/lotto.db"
 
 def _conn() -> sqlite3.Connection:
     os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
-    conn = sqlite3.connect(DB_PATH)
+    conn = sqlite3.connect(DB_PATH, timeout=120.0)
     conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA journal_mode=WAL")
+    conn.execute("PRAGMA busy_timeout=120000")
     return conn
 
 def _ensure_column(conn: sqlite3.Connection, table: str, col: str, ddl: str) -> None:
diff --git a/music-lab/app/db.py b/music-lab/app/db.py
index 06b4077..45fa4c5 100644
--- a/music-lab/app/db.py
+++ b/music-lab/app/db.py
@@ -9,8 +9,10 @@ DB_PATH = "/app/data/music.db"
 
 def _conn() -> sqlite3.Connection:
     os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
-    conn = sqlite3.connect(DB_PATH)
+    conn = sqlite3.connect(DB_PATH, timeout=120.0)
     conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA journal_mode=WAL")
+    conn.execute("PRAGMA busy_timeout=120000")
     return conn
 
 
diff --git a/personal/app/db.py b/personal/app/db.py
index c91e5d7..a712223 100644
--- a/personal/app/db.py
+++ b/personal/app/db.py
@@ -9,9 +9,10 @@ DB_PATH = "/app/data/personal.db"
 
 
 def _conn():
-    c = sqlite3.connect(DB_PATH, timeout=10)
+    c = sqlite3.connect(DB_PATH, timeout=120.0)
     c.row_factory = sqlite3.Row
     c.execute("PRAGMA journal_mode=WAL;")
+    c.execute("PRAGMA busy_timeout=120000;")
     c.execute("PRAGMA foreign_keys=ON;")
     return c
 
diff --git a/realestate-lab/app/db.py b/realestate-lab/app/db.py
index f3c41fc..d795b48 100644
--- a/realestate-lab/app/db.py
+++ b/realestate-lab/app/db.py
@@ -12,9 +12,10 @@ DB_PATH = os.getenv("REALESTATE_DB_PATH", "/app/data/realestate.db")
 
 
 def _conn():
-    c = sqlite3.connect(DB_PATH, timeout=10)
+    c = sqlite3.connect(DB_PATH, timeout=120.0)
     c.row_factory = sqlite3.Row
     c.execute("PRAGMA journal_mode=WAL;")
+    c.execute("PRAGMA busy_timeout=120000;")
     c.execute("PRAGMA foreign_keys=ON;")
     return c
 
diff --git a/stock-lab/app/db.py b/stock-lab/app/db.py
index 4183a10..bfb50bf 100644
--- a/stock-lab/app/db.py
+++ b/stock-lab/app/db.py
@@ -12,8 +12,10 @@ def _conn() -> sqlite3.Connection:
     parent = os.path.dirname(db_path)
     if parent:
         os.makedirs(parent, exist_ok=True)
-    conn = sqlite3.connect(db_path)
+    conn = sqlite3.connect(db_path, timeout=120.0)
     conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA journal_mode=WAL")
+    conn.execute("PRAGMA busy_timeout=120000")
     return conn
 
 def init_db():
diff --git a/travel-proxy/app/db.py b/travel-proxy/app/db.py
index 48d0462..9451d68 100644
--- a/travel-proxy/app/db.py
+++ b/travel-proxy/app/db.py
@@ -7,9 +7,10 @@ DB_PATH = os.getenv("TRAVEL_DB_PATH", "/data/thumbs/travel.db")
 
 def _conn() -> sqlite3.Connection:
     os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
-    conn = sqlite3.connect(DB_PATH)
+    conn = sqlite3.connect(DB_PATH, timeout=120.0)
     conn.row_factory = sqlite3.Row
     conn.execute("PRAGMA journal_mode=WAL")
+    conn.execute("PRAGMA busy_timeout=120000")
     return conn