diff --git a/labelme/__init__.py b/labelme/__init__.py
index fcadcd569..16305f38a 100644
--- a/labelme/__init__.py
+++ b/labelme/__init__.py
@@ -12,7 +12,8 @@
 # 1. MAJOR version when you make incompatible API changes;
 # 2. MINOR version when you add functionality in a backwards-compatible manner;
 # 3. PATCH version when you make backwards-compatible bug fixes.
-__version__ = "5.2.0"
+# e.g., 1.0.0a0, 1.0.0a1, 1.0.0b0, 1.0.0rc0, 1.0.0, 1.0.0.post0
+__version__ = "5.2.0.post0"
 
 QT4 = QT_VERSION[0] == "4"
 QT5 = QT_VERSION[0] == "5"