diff --git a/docs/requirements.txt b/docs/requirements.txt
index 56b67cf..0b7370c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -66,7 +66,7 @@ Pillow @ file:///C:/ci/pillow_1615224342392/work
 pluggy==0.13.1
 pre-commit==2.11.1
 py @ file:///tmp/build/80754af9/py_1607971587848/work
-pycares==3.1.1
+pycares==4.2.0
 pycparser @ file:///tmp/build/80754af9/pycparser_1594388511720/work
 Pygments @ file:///tmp/build/80754af9/pygments_1613849567472/work
 pylint @ file:///C:/ci/pylint_1614971486505/work