diff --git a/CHANGES.txt b/CHANGES.txt
index dd4b9f4..f31240d 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,7 @@
+0.3.1
+===================
+* Add type hints
+
 0.3.0 (2025-02-05)
 ===================
 * Revised manifest XML to match Panopto's example format.
diff --git a/panopto/upload.py b/panopto/upload.py
index 3d6b854..fd9a57d 100644
--- a/panopto/upload.py
+++ b/panopto/upload.py
@@ -25,7 +25,7 @@ class PanoptoUploadTarget(object):
         Given uploadTarget =
             http[s]://{hostname}/Panopto/Upload/{guid}
     '''
-    def __init__(self, upload_id, upload_target):
+    def __init__(self, upload_id: str, upload_target: str):
         self.upload_id = upload_id
         self.upload_target = upload_target
 
@@ -145,7 +145,7 @@ def upload_media(self):
 
         source_file.close()
 
-    def _panopto_manifest(self, dest_filename, title, descript):
+    def _panopto_manifest(self, dest_filename: str, title: str, descript: str):
         namespace_map = {
             None: 'http://tempuri.org/UniversalCaptureSpecification/v1',
             'xsi': 'http://www.w3.org/2001/XMLSchema-instance',
@@ -215,7 +215,7 @@ def complete_session(self):
         response = self.session.put(url, json=payload)
         return response.status_code == 200
 
-    def get_upload_id(self):
+    def get_upload_id(self) -> str:
         return self.target.upload_id
 
 
@@ -269,7 +269,7 @@ def __init__(self):
         self.password = None
         self.upload_id = None
 
-    def check(self):
+    def check(self) -> tuple[int, str]:
         auth = PanoptoAuth(self.server)
 
         self.session = auth.authenticate_with_password(