diff --git a/global-requirements.txt b/global-requirements.txt
index 0dec17c5f..663c31a4a 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -424,7 +424,6 @@ python-openstackclient!=7.3.0,!=7.3.1  # Apache-2.0
 python-swiftclient  # Apache-2.0
 python-tackerclient  # Apache-2.0
 python-troveclient  # Apache-2.0
-python-vitrageclient  # Apache-2.0
 python-watcherclient  # Apache-2.0
 python-zaqarclient  # Apache-2.0
 python-zunclient  # Apache-2.0
diff --git a/upper-constraints.txt b/upper-constraints.txt
index 6726b0fed..757449101 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -86,7 +86,6 @@ infi.dtypes.wwn===0.2.0
 awscrt===0.36.2
 pcre2===0.7.1
 python-freezerclient===6.5.0
-python-vitrageclient===5.4.0
 py-pure-client===1.93.0
 krest===1.3.8
 psycopg2===2.9.12
@@ -116,7 +115,7 @@ debtcollector===3.1.0
 responses===0.26.2
 prompt_toolkit===3.0.53
 croniter===6.2.4
-horizon===26.0.0
+horizon===27.0.0
 octavia-lib===3.12.0
 python-watcherclient===4.11.0
 MarkupSafe===3.0.3