diff --git a/setup.py b/setup.py
index 1e82066..72a625c 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
         "sentencepiece",
     ],
     classifiers=[
-        "Development Status :: 3 - Alpha"
+        "Development Status :: 3 - Alpha",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: POSIX :: Linux",
         "Programming Language :: Python :: 3",