diff --git a/jsc_custom/_version.py b/jsc_custom/_version.py
index c402abf7780c58f26d2d1f8d19cae8646be2135b..84b9caa2198a18070d06e47e1132d717ab8585d2 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__ = "0.12.25"
+__version__ = "0.12.26"
diff --git a/pyproject.toml b/pyproject.toml
index 9035c84b5253ea05f9f84e571b48231a7baf4330..3e933f74a3243bdefee6e73091d0965cad2c7690 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 = "0.12.25"
+current = "0.12.26"
 regex = '''
   (?P<major>\d+)
   \.