diff --git a/requirements/base.txt b/requirements/base.txt
index 639544c15b4..fcc45f947d2 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -6,7 +6,7 @@ async-timeout==4.0.0a3
 asynctest==0.13.0; python_version<"3.8"
 Brotli==1.0.9
 cchardet==2.1.7
-chardet==3.0.4
+chardet==4.0.0
 frozenlist==1.1.1
 gunicorn==20.0.4
 typing_extensions==3.7.4.3
diff --git a/setup.py b/setup.py
index a9edd5d0c8d..54b548c7b44 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,7 @@
     raise RuntimeError("Unable to determine version.")
 
 install_requires = [
-    "chardet>=2.0,<4.0",
+    "chardet>=2.0,<5.0",
     "multidict>=4.5,<7.0",
     "async_timeout>=4.0a2,<5.0",
     'asynctest==0.13.0; python_version<"3.8"',