diff --git a/gophish/models.py b/gophish/models.py
index f1a5044..d2eafcd 100644
--- a/gophish/models.py
+++ b/gophish/models.py
@@ -340,6 +340,7 @@ class Template(Model):
     _valid_properties = {
         'id': None,
         'name': None,
+        'envelope_sender': None,
         'text': None,
         'html': None,
         'modified_date': datetime.now(tzlocal()),
diff --git a/setup.py b/setup.py
index 9fc8a07..80ccb48 100644
--- a/setup.py
+++ b/setup.py
@@ -23,14 +23,14 @@
     ],
     install_requires=[
         "appdirs==1.4.4",
-        "certifi==2020.6.20",
-        "chardet==3.0.4",
-        "idna==2.10",
-        "packaging==20.4",
-        "pyparsing==2.4.7",
-        "python-dateutil==2.8.1",
-        "requests==2.24.0",
-        "six==1.15.0",
-        "urllib3==1.25.10"
+        "certifi==2023.11.17",
+        "chardet==5.2.0",
+        "idna==3.6",
+        "packaging==23.2",
+        "pyparsing==3.1.1",
+        "python-dateutil==2.8.2",
+        "requests==2.31.0",
+        "six==1.16.0",
+        "urllib3==2.1.0"
     ],
 )