diff --git a/CHANGES b/CHANGES
index 34adf14..cdcc132 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+1.27.2
+-------
+- Fix time_filter_type type annotation in alerts history query to be a single string instead of a list
+
 1.27.1
 -------
 - Add case_association_time to alert
diff --git a/intezer_sdk/__init__.py b/intezer_sdk/__init__.py
index a873751..b5476c1 100644
--- a/intezer_sdk/__init__.py
+++ b/intezer_sdk/__init__.py
@@ -1 +1 @@
-__version__ = '1.27.1'
+__version__ = '1.27.2'
diff --git a/intezer_sdk/alerts.py b/intezer_sdk/alerts.py
index e5bcec7..9926268 100644
--- a/intezer_sdk/alerts.py
+++ b/intezer_sdk/alerts.py
@@ -74,7 +74,7 @@ def generate_alerts_history_search_filters(*,
                                            device_private_ips: list[str] = None,
                                            device_external_ips: list[str] = None,
                                            device_ids: list[str] = None,
-                                           time_filter_type: list[str] = None,
+                                           time_filter_type: str = None,
                                            sort_order: str = None,
                                            ips: list[str] = None,
                                            domains: list[str] = None,
@@ -153,7 +153,7 @@ def query_alerts_history(*,
                          device_private_ips: list[str] = None,
                          device_external_ips: list[str] = None,
                          device_ids: list[str] = None,
-                         time_filter_type: list[str] = None,
+                         time_filter_type: str = None,
                          sort_order: str = None,
                          ips: list[str] = None,
                          domains: list[str] = None,