diff --git a/setup.py b/setup.py
index fc7e101..056be04 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
 
 # What packages are required for this module to be executed?
 REQUIRED = [
-  "marshmallow>3, <=3.26.1",
+  "marshmallow>3, <=4.1.2",
   "requests>=2.20.0"
 ]