diff --git a/pyproject.toml b/pyproject.toml
index f16335e4a9..44c7fa815c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ Source = "https://github.com/psf/requests"
 [project.optional-dependencies]
 security = []
 socks = ["PySocks>=1.5.6, !=1.5.7"]
-use_chardet_on_py3 = ["chardet>=3.0.2,<6"]
+use_chardet_on_py3 = ["chardet>=3.0.2,<7"]
 test = [
     "pytest-httpbin==2.1.0",
     "pytest-cov",
diff --git a/src/requests/__init__.py b/src/requests/__init__.py
index 6493fdc2ff..4d6b135e2c 100644
--- a/src/requests/__init__.py
+++ b/src/requests/__init__.py
@@ -76,7 +76,7 @@ def check_compatibility(urllib3_version, chardet_version, charset_normalizer_ver
         major, minor, patch = chardet_version.split(".")[:3]
         major, minor, patch = int(major), int(minor), int(patch)
         # chardet_version >= 3.0.2, < 6.0.0
-        assert (3, 0, 2) <= (major, minor, patch) < (6, 0, 0)
+        assert (3, 0, 2) <= (major, minor, patch) < (7, 0, 0)
     elif charset_normalizer_version:
         major, minor, patch = charset_normalizer_version.split(".")[:3]
         major, minor, patch = int(major), int(minor), int(patch)