diff --git a/pyproject.toml b/pyproject.toml
index e892b3b324ff30ca9f7138eeb958a4db1c8abf25..06cc3402af6915ba1fa1008dcb7cc4a66e0f9908 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ profile = "black"
 github_url = "https://github.com/kreuzert/jupyterhub-unicorespawner"
 
 [tool.tbump.version]
-current = "1.1.0"
+current = "1.1.1"
 regex = '''
   (?P<major>\d+)
   \.
diff --git a/unicorespawner/_version.py b/unicorespawner/_version.py
index 289c4c39762f7ce0739eaffa4b0cb53937da3778..0ca1db0946a73298c8d2d85a8275dcdad20ed627 100644
--- a/unicorespawner/_version.py
+++ b/unicorespawner/_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__ = "1.1.0"
+__version__ = "1.1.1"