diff --git a/lockfiles/py313/requirements.txt b/lockfiles/py313/requirements.txt
index 3062932ba..44376e973 100644
--- a/lockfiles/py313/requirements.txt
+++ b/lockfiles/py313/requirements.txt
@@ -554,9 +554,9 @@ oslo-i18n==6.8.0 \
     #   oslo-utils
     #   python-keystoneclient
     #   python-novaclient
-oslo-serialization==5.10.0 \
-    --hash=sha256:197b94cc76a11362e9d53a8d5cfc168c4eabbdd071e2a8a5753b6419130451b5 \
-    --hash=sha256:79a71cde2651afd5dc7f065a56e4a100a4d4127ef1b17f798a6d09cea24976b6
+oslo-serialization==5.11.0 \
+    --hash=sha256:34d47104d94296488fad23f280ad09b7000102636b3e6f4f120517678ba1b64f \
+    --hash=sha256:8326e85a80856c1068007423fcf6fe29dd2fe57a32f5d87fff0120b555b4b67c
     # via
     #   python-keystoneclient
     #   python-novaclient