diff --git a/setup.cfg b/setup.cfg
index 23e6404..af825ff 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pydplace
-version = 3.1.0
+version = 3.1.1.dev0
 author = Robert Forkel
 author_email = robert_forkel@eva.mpg.de
 description = A cldfbench plugin to curate D-PLACE datasets
diff --git a/src/pydplace/__init__.py b/src/pydplace/__init__.py
index 9dd1425..fb2da81 100644
--- a/src/pydplace/__init__.py
+++ b/src/pydplace/__init__.py
@@ -1,6 +1,6 @@
 #
 from .dataset import DatasetWithSocieties, DatasetWithoutSocieties
 
-__version__ = "3.1.0"
+__version__ = "3.1.1.dev0"
 assert DatasetWithSocieties
 assert DatasetWithoutSocieties