diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5f8b561..68b24d0
--- a/requirements.txt
+++ b/requirements.txt
@@ -255,7 +255,7 @@ tqdm==4.46.1
 traitlets==4.3.3
 transformers==2.8.0
 typing-extensions @ file:///tmp/build/80754af9/typing_extensions_1592847887441/work
-ujson==1.35
+ujson==5.4.0
 unicodecsv==0.14.1
 urllib3==1.25.9
 watchdog==0.10.2