diff --git a/commitizen/bump.py b/commitizen/bump.py
index 2351dbd7ec..09e573edb1 100644
--- a/commitizen/bump.py
+++ b/commitizen/bump.py
@@ -44,7 +44,7 @@ def find_increment(
                 if increment == MAJOR:
                     break
 
-    return cast(Increment, increment)
+    return None if increment is None else Increment[increment]
 
 
 def update_version_in_files(
diff --git a/commitizen/cli.py b/commitizen/cli.py
index 1d1ebe1f68..b8f761fa41 100644
--- a/commitizen/cli.py
+++ b/commitizen/cli.py
@@ -244,7 +244,7 @@ def __call__(
                     {
                         "name": ["--prerelease", "-pr"],
                         "help": "choose type of prerelease",
-                        "choices": ["alpha", "beta", "rc"],
+                        "choices": ["alpha", "beta", "rc", "none"],
                     },
                     {
                         "name": ["--devrelease", "-d"],
diff --git a/commitizen/commands/bump.py b/commitizen/commands/bump.py
index 8497384665..545f2f6626 100644
--- a/commitizen/commands/bump.py
+++ b/commitizen/commands/bump.py
@@ -152,7 +152,7 @@ def __call__(self) -> None:  # noqa: C901
         dry_run: bool = self.arguments["dry_run"]
         is_yes: bool = self.arguments["yes"]
         increment: Increment | None = self.arguments["increment"]
-        prerelease: Prerelease | None = self.arguments["prerelease"]
+        prerelease: Prerelease | None = None if self.arguments["prerelease"] == "none" else self.arguments["prerelease"]
         devrelease: int | None = self.arguments["devrelease"]
         is_files_only: bool | None = self.arguments["files_only"]
         is_local_version: bool = self.arguments["local_version"]
diff --git a/commitizen/version_schemes.py b/commitizen/version_schemes.py
index 26a19ec1b1..e145bebec6 100644
--- a/commitizen/version_schemes.py
+++ b/commitizen/version_schemes.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import enum
 import re
 import sys
 import warnings
@@ -37,11 +38,23 @@
         from typing import Self
 
 
-Increment: TypeAlias = Literal["MAJOR", "MINOR", "PATCH"]
-Prerelease: TypeAlias = Literal["alpha", "beta", "rc"]
 DEFAULT_VERSION_PARSER = r"v?(?P<version>([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?(\w+)?)"
 
 
+class Increment(enum.StrEnum):
+    MAJOR = "MAJOR"
+    MINOR = "MINOR"
+    PATCH = "PATCH"
+
+
+class Prerelease(enum.StrEnum):
+    alpha = "alpha"
+    beta = "beta"
+    rc = "rc"
+    none = "none"
+
+
+
 @runtime_checkable
 class VersionProtocol(Protocol):
     parser: ClassVar[re.Pattern]