diff --git a/pyproject.toml b/pyproject.toml
index dee940dcc8e616459c8037e981a3ef1227f36a8a..6046ed41e6f4323682f44dc7265f871d4ff11fe6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openmind-hub"
-version = "0.9.1"
+version = "v1.2.0dev"
 description = "Hub client SDK for openMind"
 readme = "README.md"
 license = { text = "木兰宽松许可证, 第2版" }
diff --git a/src/openmind_hub/version.py b/src/openmind_hub/version.py
index 12ced43373c52de44966d2ef9cc67f29b52b2a98..d05f40a7bbcdca96f708b563e6f171b766dd35d9 100644
--- a/src/openmind_hub/version.py
+++ b/src/openmind_hub/version.py
@@ -15,4 +15,4 @@ try:
     # This is populated by hatch_build.py
     from openmind_hub.git_version_info import __version__
 except ModuleNotFoundError:
-    __version__ = "0.9.1"
+    __version__ = "v1.2.0dev"