diff --git a/global-requirements.txt b/global-requirements.txt
index a05bc51dd0..667427199a 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -295,7 +295,7 @@ requestsexceptions>=1.2.0  # Apache-2.0
 rfc3986>=0.3.1  # Apache-2.0
 Routes>=2.3.1  # MIT
 rtslib-fb>=2.1.43,!=2.1.60,!=2.1.61,!=2.1.64  # Apache-2.0
-ryu>=4.14  # Apache-2.0
+ryu>=4.24  # Apache-2.0
 semantic-version>=2.3.1  # BSD
 fasteners>=0.7.0  # Apache-2.0
 scrypt>=0.8.0  # BSD
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 6a999237df..a4f8382df9 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -19,7 +19,7 @@ WebOb===1.7.1
 sphinxcontrib-actdiag===0.8.5
 docopt===0.6.2
 pecan===1.0.0
-ryu===4.14
+ryu===4.24
 os-api-ref===1.4.0
 oslo.concurrency===3.26.0
 websocket-client===0.44.0