diff --git a/requirements.txt b/requirements.txt
index 24f5397..9a049cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 flask
 flask-restful
 watchdog
+simplejson
\ No newline at end of file
diff --git a/utils/PackageVersioning.py b/utils/PackageVersioning.py
index 2d773b7..c563994 100644
--- a/utils/PackageVersioning.py
+++ b/utils/PackageVersioning.py
@@ -5,7 +5,7 @@ import hashlib
 import os
 
 from flask import json
-from json import JSONDecodeError
+from simplejson import JSONDecodeError
 
 from utils.PackageFinder import InvalidPackageName, PackageFinder
 from utils.Tools import file_as_blockiter, hash_bytestr_iter