diff --git a/setup.py b/setup.py
index ef1f03e..755adb6 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ def get_version():
       include_package_data=True,
       license='MIT',
       zip_safe=False,
-      install_requires=['future', 'requests-futures', 'ujson==5.5.0', 'graypy==2.1.0'],
+      install_requires=['future', 'requests-futures', 'ujson==5.7.0', 'graypy==2.1.0'],
       extras_require={
           'dev': [
               'pytest',