diff --git a/src/setup.py b/src/setup.py
index 0cafe35267..3684315d80 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -19,7 +19,7 @@
 
 setuptools.setup(
     name='clusterfuzz',
-    version='2.5.3',
+    version='2.5.4',
     author='ClusterFuzz authors',
     author_email='clusterfuzz-dev@googlegroups.com',
     description='ClusterFuzz',
@@ -49,6 +49,7 @@
         'oauth2client',
         'protobuf',
         'psutil',
+        'pytz',
         'PyYAML',
         'requests',
         'six',