diff --git a/mikeio/__init__.py b/mikeio/__init__.py
index 2259317e2..a491715e7 100644
--- a/mikeio/__init__.py
+++ b/mikeio/__init__.py
@@ -21,7 +21,7 @@
 # 'X.Y.dev0' is the canonical version of 'X.Y.dev'
 #
 
-__version__ = "2.2.dev0"  # TODO use git hash instead for dev version?
+__version__ = "2.1.1"  # TODO use git hash instead for dev version?
 # __version__ = "1.5.0"
 __dfs_version__: int = 220
 
diff --git a/pyproject.toml b/pyproject.toml
index 0a9e0a5fe..8fefbb651 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ exclude = ["notebooks", "tests", "images", ".github", "docs", ".devcontainer", "
 
 [project]
 name="mikeio"
-version="2.2.dev0"
+version="2.1.1"
 dependencies = [
     "mikecore>=0.2.1",
     "numpy>=1.22.0",