diff --git a/pyproject.toml b/pyproject.toml
index ca6119143abf..5c68e932cb6b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,6 +64,8 @@ dependencies = [
     "jsonpath-ng>=1.6.1, <2",
     "Mako>=1.2.2",
     "markdown>=3.0",
+    # marshmallow>=4 has issues: https://github.com/apache/superset/issues/33162
+    "marshmallow<4",
     "msgpack>=1.0.0, <1.1",
     "nh3>=0.2.11, <0.3",
     "numpy==1.23.5",