diff --git a/requirements.txt b/requirements.txt
index a626768..63be59f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ ply==3.9
 proxybroker==0.1.4
 py==1.4.31
 pyasn1==0.1.9
-pycares==2.1.0
+pycares==4.2.0
 pycparser==2.14
 pycrypto==2.6.1
 Pygments==2.1.3