diff --git a/stubs/vobject/vobject/behavior.pyi b/stubs/vobject/vobject/behavior.pyi
index 3ca757bcaa32..1faf208714b2 100644
--- a/stubs/vobject/vobject/behavior.pyi
+++ b/stubs/vobject/vobject/behavior.pyi
@@ -14,7 +14,7 @@ class Behavior:
     forceUTC: bool
     sortFirst: Incomplete
     @classmethod
-    def validate(cls, obj, raiseException: bool = False, complainUnrecognized: bool = False): ...
+    def validate(cls, obj, raiseException: bool = False, complainUnrecognized: bool = False) -> bool: ...
     @classmethod
     def lineValidate(cls, line, raiseException, complainUnrecognized): ...
     @classmethod
diff --git a/stubs/vobject/vobject/icalendar.pyi b/stubs/vobject/vobject/icalendar.pyi
index 0f2441e919f0..66d8c8b7cf3b 100644
--- a/stubs/vobject/vobject/icalendar.pyi
+++ b/stubs/vobject/vobject/icalendar.pyi
@@ -118,7 +118,7 @@ class VTimezone(VCalendarComponentBehavior):
     description: str
     sortFirst: Incomplete
     @classmethod
-    def validate(cls, obj, raiseException, *args): ...
+    def validate(cls, obj, raiseException: bool, *args) -> bool: ...  # type: ignore[override]
     @staticmethod
     def transformToNative(obj): ...
     @staticmethod
@@ -134,13 +134,13 @@ class VEvent(RecurringBehavior):
     sortFirst: Incomplete
     description: str
     @classmethod
-    def validate(cls, obj, raiseException, *args): ...
+    def validate(cls, obj, raiseException: bool, *args) -> bool: ...  # type: ignore[override]
 
 class VTodo(RecurringBehavior):
     name: str
     description: str
     @classmethod
-    def validate(cls, obj, raiseException, *args): ...
+    def validate(cls, obj, raiseException: bool, *args) -> bool: ...  # type: ignore[override]
 
 class VJournal(RecurringBehavior):
     name: str
@@ -156,21 +156,21 @@ class VAlarm(VCalendarComponentBehavior):
     @staticmethod
     def generateImplicitParameters(obj) -> None: ...
     @classmethod
-    def validate(cls, obj, raiseException, *args): ...
+    def validate(cls, obj, raiseException: bool, *args) -> bool: ...  # type: ignore[override]
 
 class VAvailability(VCalendarComponentBehavior):
     name: str
     description: str
     sortFirst: Incomplete
     @classmethod
-    def validate(cls, obj, raiseException, *args): ...
+    def validate(cls, obj, raiseException: bool, *args) -> bool: ...  # type: ignore[override]
 
 class Available(RecurringBehavior):
     name: str
     sortFirst: Incomplete
     description: str
     @classmethod
-    def validate(cls, obj, raiseException, *args): ...
+    def validate(cls, obj, raiseException: bool, *args) -> bool: ...  # type: ignore[override]
 
 class Duration(Behavior):
     name: str