diff --git a/setup.py b/setup.py
index 535a1a5..51671e1 100644
--- a/setup.py
+++ b/setup.py
@@ -92,7 +92,7 @@
                   "cns": ["py.typed"]},
     url='https://github.com/conflux-chain/python-conflux-sdk',
     install_requires=[
-        "web3==6.2.0",
+        "web3==6.8.0",
         "cfx-address>=1.0.0",
         "cfx-account>=1.0.0",
         "cfx-utils>=1.0.0",