diff --git a/jsc_custom/_version.py b/jsc_custom/_version.py
index 7381d5f04b01429f6f4f3dd1914690c670ec4af9..6a4cb5970175f963f5cbdd97f2e946ed934ed166 100644
--- a/jsc_custom/_version.py
+++ b/jsc_custom/_version.py
@@ -1,4 +1,4 @@
 # __version__ should be updated using tbump, based on configuration in
 # pyproject.toml, according to instructions in RELEASE.md.
 #
-__version__ = "0.12.30"
+__version__ = "0.13.0"
diff --git a/pyproject.toml b/pyproject.toml
index 4341d0ee47662de063e48ba51b87f0e5c5e16b49..4150af67c540ec293deb6a1463caaabe5257bc38 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ profile = "black"
 github_url = "https://github.com/kreuzert/jupyter-jsc-custom"
 
 [tool.tbump.version]
-current = "0.12.30"
+current = "0.13.0"
 regex = '''
   (?P<major>\d+)
   \.