diff --git a/pyproject.toml b/pyproject.toml
index 2110c90..0d4e107 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ packages = [
     {include = "openjpeg" },
 ]
 readme = "README.md"
-version = "2.0.0"
+version = "2.1.0.dev0"
 
 [tool.poetry.dependencies]
 python = "^3.8"