diff --git a/Pipfile b/Pipfile
index d6e9932..035b570 100644
--- a/Pipfile
+++ b/Pipfile
@@ -22,7 +22,8 @@ qiniu = ">=7.1.4,<7.2.4"
 "urllib3" = ">=1.24.3,<=1.25.3"
 requests = ">=2.20.0,<=2.22.0"
 Werkzeug = ">=0.11.11,<1.0.0"
-gevent = ">=1.0.2,<2.0.0"
+gevent = ">=22.10.2,<23.0.0"
 typing = { version = "*", markers = "python_version < '3.5.0'" }
 pyopenssl = { version = "*", markers = "python_version < '2.7.9'" }
 idna = { version = "*", markers = "python_version < '2.7.9'" }
+markupsafe = "<=2.0.1"
diff --git a/changelog b/changelog
index 9f88670..0cacdb6 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,9 @@
+## [2.9.12] - 2022-11-24
+
+## Fixed
+
+- Upgrade gevent version to support Python 3.11
+
 ## [2.9.11] - 2022-06-23
 
 ## Fixed
diff --git a/requirements.txt b/requirements.txt
index 2a316d4..b3fefa1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ qiniu>=7.3.1
 requests>=2.25.1
 Werkzeug>=0.16.0,<2.0.0
 secure-cookie>=0.1.0,<1.0.0
-gevent>=21.1.0,<22.0.0
+gevent>=22.10.2,<23.0.0
 typing; python_version < '3.5'
 markupsafe<=2.0.1
diff --git a/setup.py b/setup.py
index aa6186e..9d7cb02 100644
--- a/setup.py
+++ b/setup.py
@@ -14,13 +14,14 @@
     'requests>=2.25.1',
     'Werkzeug>=0.16.0,<2.0.0',
     'secure-cookie>=0.1.0,<1.0.0',
-    'gevent>=21.1.0,<22.0.0',
-    "typing; python_version < '3.5'"
+    'gevent>=22.10.2,<23.0.0',
+    "typing; python_version < '3.5'",
+    'markupsafe<=2.0.1',
 ]
 
 setup(
     name='leancloud',
-    version='2.9.11',
+    version='2.9.12',
     description='LeanCloud Python SDK',
     url='https://leancloud.cn/',
     author='asaka',