diff --git a/requirements.txt b/requirements.txt
index a4f7487..3751d0b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-jsonpickle~=3.3.0
+jsonpickle~=4.0.0
 python-dateutil~=2.8
 apimatic-core-interfaces~=0.1.0
 requests~=2.31
diff --git a/setup.py b/setup.py
index cb2c97c..5dd31e7 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
     packages=find_packages(),
     install_requires=[
         'apimatic-core-interfaces~=0.1.0',
-        'jsonpickle~=3.3.0',
+        'jsonpickle>=3.3,<4.1',
         'python-dateutil~=2.8',
         'requests~=2.31',
         'setuptools>=68.0.0',