diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 6a5f7fe..f0b649c 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -6,7 +6,7 @@
 
 ## Upgrading
 
-- `typing-extensions` minimal version was bumped to 4.6.0 to be compatible with Python3.12. You might need to upgrade it in your project too.
+<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
 
 ## New Features
 
diff --git a/pyproject.toml b/pyproject.toml
index 11dd54d..86586f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ dev-pytest = [
 ]
 
 marshmallow = [
-  "marshmallow >= 3.0.0, < 5",
+  "marshmallow >= 4, < 5",
   "marshmallow-dataclass >= 8.0.0, < 9",
 ]