diff --git a/exchange_calendars/xkls_holidays.py b/exchange_calendars/xkls_holidays.py
index e4555530..7ddb59d7 100644
--- a/exchange_calendars/xkls_holidays.py
+++ b/exchange_calendars/xkls_holidays.py
@@ -330,7 +330,7 @@
         "2022-07-10",
         "2023-06-29",
         "2024-06-16",
-        "2025-06-06",
+        "2025-06-07",
         "2026-05-27",
         "2027-05-16",
         "2028-05-05",
diff --git a/tests/resources/xkls.csv b/tests/resources/xkls.csv
index 15a9c6f3..8cc43db7 100644
--- a/tests/resources/xkls.csv
+++ b/tests/resources/xkls.csv
@@ -8776,6 +8776,7 @@
 2025-06-03T00:00:00Z,2025-06-03T01:00:00Z,2025-06-03T09:00:00Z,,
 2025-06-04T00:00:00Z,2025-06-04T01:00:00Z,2025-06-04T09:00:00Z,,
 2025-06-05T00:00:00Z,2025-06-05T01:00:00Z,2025-06-05T09:00:00Z,,
+2025-06-06T00:00:00Z,2025-06-06T01:00:00Z,2025-06-06T09:00:00Z,,
 2025-06-09T00:00:00Z,2025-06-09T01:00:00Z,2025-06-09T09:00:00Z,,
 2025-06-10T00:00:00Z,2025-06-10T01:00:00Z,2025-06-10T09:00:00Z,,
 2025-06-11T00:00:00Z,2025-06-11T01:00:00Z,2025-06-11T09:00:00Z,,