diff --git a/outpostspawner/_version.py b/outpostspawner/_version.py
index c30d9f279decdce4b611e02c96d30545f12fa32e..09168f499f568b19aff322048ccb8f5a536e09d2 100644
--- a/outpostspawner/_version.py
+++ b/outpostspawner/_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__ = "1.0.3"
+__version__ = "1.0.4"
diff --git a/pyproject.toml b/pyproject.toml
index 2f2666752cc3c78925c651f3c4513e802bda319a..0c6c8c998b497f66046009c6cd225e94a701c399 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ profile = "black"
 github_url = "https://github.com/kreuzert/jupyterhub-outpostspawner"
 
 [tool.tbump.version]
-current = "1.0.3"
+current = "1.0.4"
 regex = '''
   (?P<major>\d+)
   \.