diff --git a/tests/importer_test.py b/tests/importer_test.py
index fad2fa6..ddfebf8 100644
--- a/tests/importer_test.py
+++ b/tests/importer_test.py
@@ -55,8 +55,8 @@ def test_import_csv_with_time_filter():
     importer = CsvImporter()
     selector = data_selector()
     tz = pytz.timezone("Etc/GMT+1")
-    selector.since_time = datetime(2021, 1, 5, 0, 0, 0, tzinfo=tz)
-    selector.until_time = datetime(2021, 1, 7, 0, 0, 0, tzinfo=tz)
+    selector.since_time = datetime(2024, 1, 5, 0, 0, 0, tzinfo=tz)
+    selector.until_time = datetime(2024, 1, 7, 0, 0, 0, tzinfo=tz)
     series = importer.fetch_data(test, selector=selector)
     assert len(series.data.keys()) == 2
     assert len(series.time) == 2
@@ -72,7 +72,7 @@ def test_import_csv_with_unix_timestamps():
     assert len(series.time) == 10
     assert len(series.data["m1"]) == 10
     assert len(series.data["m2"]) == 10
-    ts = datetime(2021, 1, 1, 2, 0, 0, tzinfo=pytz.UTC).timestamp()
+    ts = datetime(2024, 1, 1, 2, 0, 0, tzinfo=pytz.UTC).timestamp()
     assert series.time[0] == ts
 
 
diff --git a/tests/resources/sample.csv b/tests/resources/sample.csv
index cb2f38b..76a15c6 100644
--- a/tests/resources/sample.csv
+++ b/tests/resources/sample.csv
@@ -1,11 +1,11 @@
 time,commit,metric1,metric2
-2021.01.01 3:00:00 +0100,aaa0,154023,10.43
-2021.01.02 3:00:00 +0100,aaa1,138455,10.23
-2021.01.03 3:00:00 +0100,aaa2,143112,10.29
-2021.01.04 3:00:00 +0100,aaa3,149190,10.91
-2021.01.05 3:00:00 +0100,aaa4,132098,10.34
-2021.01.06 3:00:00 +0100,aaa5,151344,10.69
-2021.01.07 3:00:00 +0100,aaa6,155145,9.23
-2021.01.08 3:00:00 +0100,aaa7,148889,9.11
-2021.01.09 3:00:00 +0100,aaa8,149466,9.13
-2021.01.10 3:00:00 +0100,aaa9,148209,9.03
+2024.01.01 3:00:00 +0100,aaa0,154023,10.43
+2024.01.02 3:00:00 +0100,aaa1,138455,10.23
+2024.01.03 3:00:00 +0100,aaa2,143112,10.29
+2024.01.04 3:00:00 +0100,aaa3,149190,10.91
+2024.01.05 3:00:00 +0100,aaa4,132098,10.34
+2024.01.06 3:00:00 +0100,aaa5,151344,10.69
+2024.01.07 3:00:00 +0100,aaa6,155145,9.23
+2024.01.08 3:00:00 +0100,aaa7,148889,9.11
+2024.01.09 3:00:00 +0100,aaa8,149466,9.13
+2024.01.10 3:00:00 +0100,aaa9,148209,9.03