diff --git a/pyproject.toml b/pyproject.toml
index 5020b5e..4f5ffc9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ Tracker = "https://github.com/aiidalab/ipyoptimade/issues"
 name = "ipyoptimade"
 
 [bumpver]
-current_version = "0.1.1a0"
+current_version = "0.1.1"
 version_pattern = "MAJOR.MINOR.PATCH[PYTAGNUM]"
 commit_message = "Bump version: {old_version} -> {new_version}"
 commit = true
diff --git a/src/ipyoptimade/version.py b/src/ipyoptimade/version.py
index 76b9896..485f44a 100644
--- a/src/ipyoptimade/version.py
+++ b/src/ipyoptimade/version.py
@@ -1 +1 @@
-__version__ = "0.1.1a0"
+__version__ = "0.1.1"