diff --git a/tests/integration/requirements.txt.in b/tests/integration/requirements.txt.in
index a58d2b89be9cf9ce7d57d7ac0bcc224c92fad6ce..e8c27a1c1165c8d0ce1455de68844bf6d65a8db9 100644
--- a/tests/integration/requirements.txt.in
+++ b/tests/integration/requirements.txt.in
@@ -9,7 +9,7 @@ ipython==7.12.0
 ipython-genutils==0.2.0
 jedi==0.16.0
 loguru==0.4.1
-marshmallow==3.4.0
+marshmallow==3.21.3
 more-itertools==8.2.0
 mypy-extensions==0.4.3
 netifaces==0.10.9