diff --git a/OlivOS/hook.py b/OlivOS/hook.py
index c7e11e7c..680bc587 100644
--- a/OlivOS/hook.py
+++ b/OlivOS/hook.py
@@ -22,6 +22,9 @@
 # sqlite
 import sqlite3
 
+# pyjson5
+import pyjson5
+
 # win
 if platform.system() == 'Windows':
     import win32com.client
diff --git a/OlivOS/hook_pack.py b/OlivOS/hook_pack.py
index cc4e9b8f..b3cd03a9 100644
--- a/OlivOS/hook_pack.py
+++ b/OlivOS/hook_pack.py
@@ -35,6 +35,9 @@
 # yaml
 import yaml
 
+# pyjson5
+import pyjson5
+
 # openpyxl
 import openpyxl
 
diff --git a/OlivOS/hook_pack_debug.py b/OlivOS/hook_pack_debug.py
index 638b7ea5..35982c24 100644
--- a/OlivOS/hook_pack_debug.py
+++ b/OlivOS/hook_pack_debug.py
@@ -35,6 +35,9 @@
 # yaml
 import yaml
 
+# pyjson5
+import pyjson5
+
 # openpyxl
 import openpyxl