diff --git a/requirements.txt b/requirements.txt
index d7d1a36..864f73b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ chardet==3.0.4
 cryptography==3.2
 idna==2.10
 multidict==4.7.6
-pycares==3.1.1
+pycares==4.2.0
 pycparser==2.20
 requests==2.24.0
 six==1.15.0