diff --git a/contentstack_management/content_types/content_type.py b/contentstack_management/content_types/content_type.py
index 753204e..a1f72e8 100644
--- a/contentstack_management/content_types/content_type.py
+++ b/contentstack_management/content_types/content_type.py
@@ -20,6 +20,8 @@ def __init__(self, client, content_type_uid=None, branch = None):
         self.client = client
         self.content_type_uid = content_type_uid
         self.branch = branch
+        if self.branch:
+            self.add_header('branch', branch)
         super().__init__(self.client)
 
     def find(self):
@@ -344,4 +346,4 @@ def imports(self, file_path):
     def entry(self, entry_uid: str =None):
         if self.content_type_uid is None:
             raise Exception('Content type uid is required')
-        return entry.Entry(self.client, self.content_type_uid, entry_uid)
\ No newline at end of file
+        return entry.Entry(self.client, self.content_type_uid, entry_uid)