diff --git a/packages/B2SRespUtils/setup.py b/packages/B2SRespUtils/setup.py
old mode 100755
new mode 100644
index 91f884aa..534189e7
--- a/packages/B2SRespUtils/setup.py
+++ b/packages/B2SRespUtils/setup.py
@@ -53,7 +53,7 @@
     install_requires=[
        'Jinja2==2.7.1',
        'WeasyPrint==0.19.2',
-       'ujson==1.33'
+       'ujson==5.4.0'
         ],
      )