diff --git a/setup.py b/setup.py
index ef94006..f872d97 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
       url='https://singer.io',
       classifiers=['Programming Language :: Python :: 3 :: Only'],
       install_requires=[
-          'singer-python==5.3.1',
+          'singer-python==5.3.3',
           'cx_Oracle==6.1',
           'strict-rfc3339==0.7'
       ],