diff --git a/freqtrade/misc.py b/freqtrade/misc.py
index 23d8732a0..d03187d77 100644
--- a/freqtrade/misc.py
+++ b/freqtrade/misc.py
@@ -38,12 +38,7 @@ def datesarray_to_datetimearray(dates: np.ndarray) -> np.ndarray:
     An numpy-array of datetimes
     :return: numpy-array of datetime
     """
-    times = []
-    dates = dates.astype(datetime)
-    for index in range(0, dates.size):
-        date = dates[index].to_pydatetime()
-        times.append(date)
-    return np.array(times)
+    return dates.dt.to_pydatetime()
 
 
 def common_datearray(dfs: Dict[str, DataFrame]) -> np.ndarray:
diff --git a/freqtrade/tests/optimize/test_backtesting.py b/freqtrade/tests/optimize/test_backtesting.py
index fbcbe4c55..35ed9c49e 100644
--- a/freqtrade/tests/optimize/test_backtesting.py
+++ b/freqtrade/tests/optimize/test_backtesting.py
@@ -529,10 +529,11 @@ def test_backtest(default_conf, fee, mocker) -> None:
         {'pair': [pair, pair],
          'profit_percent': [0.0, 0.0],
          'profit_abs': [0.0, 0.0],
-         'open_time': [Arrow(2018, 1, 29, 18, 40, 0).datetime,
-                       Arrow(2018, 1, 30, 3, 30, 0).datetime],
-         'close_time': [Arrow(2018, 1, 29, 22, 35, 0).datetime,
-                        Arrow(2018, 1, 30, 4, 10, 0).datetime],
+         'open_time': pd.to_datetime([Arrow(2018, 1, 29, 18, 40, 0).datetime,
+                                      Arrow(2018, 1, 30, 3, 30, 0).datetime], utc=True
+                                     ),
+         'close_time': pd.to_datetime([Arrow(2018, 1, 29, 22, 35, 0).datetime,
+                                       Arrow(2018, 1, 30, 4, 10, 0).datetime], utc=True),
          'open_index': [78, 184],
          'close_index': [125, 192],
          'trade_duration': [235, 40],
diff --git a/freqtrade/tests/test_misc.py b/freqtrade/tests/test_misc.py
index c7ff1f077..2da6b8718 100644
--- a/freqtrade/tests/test_misc.py
+++ b/freqtrade/tests/test_misc.py
@@ -41,7 +41,7 @@ def test_common_datearray(default_conf) -> None:
 
     assert dates.size == dataframes['UNITTEST/BTC']['date'].size
     assert dates[0] == dataframes['UNITTEST/BTC']['date'][0]
-    assert dates[-1] == dataframes['UNITTEST/BTC']['date'][-1]
+    assert dates[-1] == dataframes['UNITTEST/BTC']['date'].iloc[-1]
 
 
 def test_file_dump_json(mocker) -> None:
diff --git a/requirements.txt b/requirements.txt
index eb1054f62..30a561e01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 ccxt==1.18.152
-SQLAlchemy==1.2.16
+SQLAlchemy==1.2.17
 python-telegram-bot==11.1.0
 arrow==0.13.0
 cachetools==3.0.0
 requests==2.21.0
 urllib3==1.24.1
 wrapt==1.11.1
-pandas==0.23.4
+pandas==0.24.0
 scikit-learn==0.20.2
 joblib==0.13.1
 scipy==1.2.0