diff --git a/CHANGES.md b/CHANGES.md
index 618d7da..d80a6f2 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,11 @@
 # Changelog for BROStar API
 
+## 0.61 (unreleased)
+
+
+- Nothing changed yet.
+
+
 ## 0.60 (2024-11-18)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 776af8e..0ff4970 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ description = "Simplify data management for BRO"
 authors = []
 license = {file = "LICENSE.txt"}
 readme = "README.md"
-version = "0.60"
+version = "0.61.dev0"
 
 [project.optional-dependencies]
 test = ["pytest"] # pytest added by nens-meta