Pin marshmallow

Author: 0xRy4n

pyproject.toml

@@ -7,7 +7,7 @@ requires-python = ">=3.10"
 dependencies = [
     "bs4>=0.0.2",
     "faker>=37.3.0",
-    "marshmallow>=4.0.0",
+    "marshmallow>=3.0.0,<4.0.0",
     "requests>=2.32.3",
     "uplink>=0.9.7",
     "validator-collection>=1.5.0",