diff --git a/jsc_custom/_version.py b/jsc_custom/_version.py
index 5a06472374b7d8a6d0953f4a4d4b41ebca2bebe8..1390b7e3f3ed94e0d729bd71f8588b68a722e3e2 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__ = "0.12.22"
+__version__ = "0.12.23"
diff --git a/pyproject.toml b/pyproject.toml
index 4574ce03a2d2d4a426e698a383cc5f4ea3089f36..32661778dae1b8e5ef4639e634024104618b1fe7 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 = "0.12.22"
+current = "0.12.23"
 regex = '''
   (?P<major>\d+)
   \.