diff --git a/pyproject.toml b/pyproject.toml
index a93ab7c4..28bc5466 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool]
 [tool.poetry]
 name = "maestrowf"
-version = "1.2.0"
+version = "1.2.1dev0"
 description = "A tool to easily orchestrate general computational workflows both locally and on supercomputers."
 license = "MIT License"
 classifiers = [