diff --git a/jsonschema.py b/jsonschema.py
index 2deb806..756cb4d 100644
--- a/jsonschema.py
+++ b/jsonschema.py
@@ -32,7 +32,7 @@ try:
 except ImportError:
     requests = None
 
-__version__ = "1.1.0"
+__version__ = "1.2.0-dev"
 
 PY3 = sys.version_info[0] >= 3