diff --git a/pontos/version/commands/_cmake.py b/pontos/version/commands/_cmake.py
index f06d36a45..154940383 100644
--- a/pontos/version/commands/_cmake.py
+++ b/pontos/version/commands/_cmake.py
@@ -5,7 +5,7 @@
 
 
 import re
-from typing import Generator, Literal, Optional, Tuple, Union
+from typing import Iterator, Literal, Optional, Tuple, Union
 
 from .._errors import VersionError
 from .._version import Version, VersionUpdate
@@ -189,11 +189,7 @@ def is_dev_version(self) -> bool:
 
     def _tokenize(  # type: ignore
         self, content: str
-    ) -> Generator[
-        Tuple[int, str, str],
-        Tuple[int, str, str],
-        Tuple[int, str, str],
-    ]:
+    ) -> Iterator[Tuple[int, str, str]]:
         toks, remainder = self.__cmake_scanner.scan(content)
         if remainder != "":
             print(f"WARNING: unrecognized cmake tokens: {remainder}")
diff --git a/pontos/version/project.py b/pontos/version/project.py
index ad93fbb5f..1e9dce404 100644
--- a/pontos/version/project.py
+++ b/pontos/version/project.py
@@ -4,7 +4,7 @@
 #
 
 
-from typing import List, Literal, Union
+from typing import List, Literal, Type, Union
 
 from ._errors import ProjectError
 from ._version import Version, VersionUpdate
@@ -27,7 +27,9 @@ class Project:
             project = Project(PEP440VersioningScheme)
     """
 
-    def __init__(self, versioning_scheme: VersioningScheme) -> None:
+    def __init__(
+        self, versioning_scheme: Union[VersioningScheme, Type[VersioningScheme]]
+    ) -> None:
         """
         Creates a new project instance