diff --git a/Pipfile.lock b/Pipfile.lock
index 8dcb361..105d1c8 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -98,12 +98,12 @@
         },
         "jsonpickle": {
             "hashes": [
-                "sha256:287c12143f35571ab00e224fa323aa4b090d5a7f086f5f494d7ee9c7eb1a380a",
-                "sha256:ab467e601e5b1a1cd76f1819d014795165da071744ef30bf3786e9bc549de25a"
+                "sha256:2973c0b0d988c6792ed6c446fa582c48352e79c2880fa2c013f1abde15905555",
+                "sha256:b5336144d902958b92cb08bc1e76bfa47199b8afd454303693894defd2fa50c5"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.7'",
-            "version": "==3.3.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==4.0.1"
         },
         "jsonref": {
             "hashes": [