diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index dcc0f02..00e9273 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.4.2
+current_version = 1.4.3
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(-(?P<stage>[^.]*)\.(?P<devnum>\d+))?
diff --git a/docs/en/CHANGELOG.md b/docs/en/CHANGELOG.md
index 9a71f66..7f61628 100644
--- a/docs/en/CHANGELOG.md
+++ b/docs/en/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Logs
 
+## 1.4.3
+
+* chore: bump web3.py to 7.11.1
+
 ## 1.4.2
 
 * chore: bump web3.py to 7.10.0
diff --git a/setup.py b/setup.py
index eb667a2..be94fae 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
     setup,
 )
 
-VERSION = "1.4.2"
+VERSION = "1.4.3"
 DESCRIPTION = 'Python SDK for Conflux network'
 with open('./README.md') as readme:
     long_description = readme.read()
@@ -101,7 +101,7 @@
                   "cns": ["py.typed"]},
     url='https://github.com/conflux-chain/python-conflux-sdk',
     install_requires=[
-        "web3==7.10.0",
+        "web3==7.11.1",
         "cfx-address>=1.2.4,<1.3.0",
         "cfx-account>=1.2.2,<1.3.0", 
         "cfx-utils>=1.0.5,<1.2.0",
diff --git a/tests/base_features/test_api.py b/tests/base_features/test_api.py
index 65f58c7..b4db468 100644
--- a/tests/base_features/test_api.py
+++ b/tests/base_features/test_api.py
@@ -1,4 +1,4 @@
 def test_api_version(w3):
-    expected_version = "1.4.2"
+    expected_version = "1.4.3"
     if "beta" not in expected_version:
         assert w3.api.startswith(expected_version)