diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 7a574c9e0..3687df02b 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -6,7 +6,7 @@ jobs:
   python-check:
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
         platform: [ubuntu-22.04, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/commitizen/bump.py b/commitizen/bump.py
index 6672c5f50..a955c20b6 100644
--- a/commitizen/bump.py
+++ b/commitizen/bump.py
@@ -62,7 +62,7 @@ def find_increment(
 def update_version_in_files(
     current_version: str,
     new_version: str,
-    files: Iterable[str],
+    version_files: Iterable[str],
     *,
     check_consistency: bool,
     encoding: str,
@@ -77,7 +77,7 @@ def update_version_in_files(
     """
     updated_files = []
 
-    for path, pattern in _resolve_files_and_regexes(files, current_version):
+    for path, pattern in _resolve_files_and_regexes(version_files, current_version):
         current_version_found = False
         bumped_lines = []
 
diff --git a/commitizen/commands/bump.py b/commitizen/commands/bump.py
index 3dc678920..5cad643b8 100644
--- a/commitizen/commands/bump.py
+++ b/commitizen/commands/bump.py
@@ -302,10 +302,10 @@ def __call__(self) -> None:
                 "[NO_COMMITS_TO_BUMP]\nThe commits found are not eligible to be bumped"
             )
 
-        files: list[str] = []
+        updated_files: list[str] = []
         dry_run = self.arguments["dry_run"]
         if self.changelog_flag:
-            args = {
+            changelog_args = {
                 "unreleased_version": new_tag_version,
                 "template": self.template,
                 "extras": self.extras,
@@ -313,22 +313,27 @@ def __call__(self) -> None:
                 "dry_run": dry_run,
             }
             if self.changelog_to_stdout:
-                changelog_cmd = Changelog(self.config, {**args, "dry_run": True})  # type: ignore[typeddict-item]
+                changelog_cmd = Changelog(
+                    self.config,
+                    {**changelog_args, "dry_run": True},  # type: ignore[typeddict-item]
+                )
                 try:
                     changelog_cmd()
                 except DryRunExit:
                     pass
 
-            args["file_name"] = self.file_name
-            changelog_cmd = Changelog(self.config, args)  # type: ignore[arg-type]
+            changelog_cmd = Changelog(
+                self.config,
+                {**changelog_args, "file_name": self.file_name},  # type: ignore[typeddict-item]
+            )
             changelog_cmd()
-            files.append(changelog_cmd.file_name)
+            updated_files.append(changelog_cmd.file_name)
 
         # Do not perform operations over files or git.
         if dry_run:
             raise DryRunExit()
 
-        files.extend(
+        updated_files.extend(
             bump.update_version_in_files(
                 str(current_version),
                 str(new_version),
@@ -360,13 +365,13 @@ def __call__(self) -> None:
             raise ExpectedExit()
 
         # FIXME: check if any changes have been staged
-        git.add(*files)
+        git.add(*updated_files)
         c = git.commit(message, args=self._get_commit_args())
         if self.retry and c.return_code != 0 and self.changelog_flag:
             # Maybe pre-commit reformatted some files? Retry once
             logger.debug("1st git.commit error: %s", c.err)
             logger.info("1st commit attempt failed; retrying once")
-            git.add(*files)
+            git.add(*updated_files)
             c = git.commit(message, args=self._get_commit_args())
         if c.return_code != 0:
             err = c.err.strip() or c.out
diff --git a/pyproject.toml b/pyproject.toml
index 8211b969d..b4a3a3b9d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -174,7 +174,7 @@ testpaths = ["tests/"]
 
 [tool.tox]
 requires = ["tox>=4.22"]
-env_list = ["3.9", "3.10", "3.11", "3.12", "3.13"]
+env_list = ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
 [tool.tox.env_run_base]
 description = "Run tests suite against Python {base_python}"