diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 077a9c7a..484922ad 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -33,7 +33,7 @@ jobs:
     strategy:
       matrix:
         os: [Ubuntu, MacOS, Windows]
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.8, 3.9, "3.10", "3.11", "3.12", "3.13"]
     defaults:
       run:
         shell: bash
diff --git a/src/pendulum/tz/local_timezone.py b/src/pendulum/tz/local_timezone.py
index 4c57d3c2..a3006857 100644
--- a/src/pendulum/tz/local_timezone.py
+++ b/src/pendulum/tz/local_timezone.py
@@ -206,8 +206,8 @@ def _get_unix_timezone(_root: str = "/") -> Timezone:
                 line = line[match.end() :]
                 etctz = line[
                     : cast(
-                        re.Match,
-                        end_re.search(line),  # type: ignore[type-arg]
+                        re.Match,  # type: ignore[type-arg]
+                        end_re.search(line),
                     ).start()
                 ]