diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4df23b66b..ab2f30308 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -145,6 +145,19 @@ jobs:
           command: |
             tox -e py313
 
+  test_feature_engine_py314:
+    docker:
+      - image: cimg/python:3.14.0
+    working_directory: ~/project
+    steps:
+      - checkout:
+          path: ~/project
+      - *prepare_tox
+      - run:
+          name: Run tests (Python 3.14)
+          command: |
+            tox -e py314
+
 
   # ------------------------
   # Quality checks
@@ -250,6 +263,7 @@ workflows:
       - test_feature_engine_py312_pandas230
       - test_feature_engine_py312_pandas300
       - test_feature_engine_py313
+      - test_feature_engine_py314
       - test_style
       - test_docs
       - test_type
@@ -270,6 +284,7 @@ workflows:
             - test_feature_engine_py312_pandas230
             - test_feature_engine_py312_pandas300
             - test_feature_engine_py313
+            - test_feature_engine_py314
             - test_style
             - test_docs
             - test_type
diff --git a/pyproject.toml b/pyproject.toml
index 92df8246a..30efe21e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,6 +26,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 dynamic = ["version"]
@@ -50,6 +51,7 @@ tests = [
     "flake8>=3.9.2",
     "isort>=5.8.0",
     "mypy>=0.740",
+    "tzdata",
 ]
 
 [project.urls]
diff --git a/tests/test_datetime/test_datetime_features.py b/tests/test_datetime/test_datetime_features.py
index 456f41e84..38541cd4a 100644
--- a/tests/test_datetime/test_datetime_features.py
+++ b/tests/test_datetime/test_datetime_features.py
@@ -334,10 +334,7 @@ def test_extract_features_from_different_timezones():
         pd.DataFrame({"time_hour": [7, 8, 9, 14, 15, 16]}),
         check_dtype=False,
     )
-    exp_err_msg = (
-        "Tz-aware datetime.datetime cannot be converted to datetime64 "
-        "unless utc=True"
-    )
+    exp_err_msg = "cannot be converted to datetime64 unless utc=True"
     with pytest.raises(ValueError) as errinfo:
         assert DatetimeFeatures(
             variables="time", features_to_extract=["hour"], utc=False
@@ -373,13 +370,13 @@ def test_extract_features_from_localized_tz_variables():
     tz_df = pd.DataFrame(
         {
             "date_var": [
-                "2018-10-28 01:30:00",
-                "2018-10-28 02:00:00",
-                "2018-10-28 02:30:00",
-                "2018-10-28 02:00:00",
-                "2018-10-28 02:30:00",
-                "2018-10-28 03:00:00",
-                "2018-10-28 03:30:00",
+                "2018-06-15 01:30:00",
+                "2018-06-15 02:00:00",
+                "2018-06-15 02:30:00",
+                "2018-06-15 02:00:00",
+                "2018-06-15 02:30:00",
+                "2018-06-15 03:00:00",
+                "2018-06-15 03:30:00",
             ]
         }
     )
diff --git a/tox.ini b/tox.ini
index b09a57c6c..c31b3edd1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,6 +8,7 @@ envlist =
     py312-pandas230
     py312-pandas300
     py313
+    py314
     codecov
     docs
     stylechecks
@@ -43,6 +44,10 @@ deps =
 deps =
     .[tests]
 
+[testenv:py314]
+deps =
+    .[tests]
+
 
 # -------------------------
 # scikit-learn matrix