diff --git a/requirements-frozen.txt b/requirements-frozen.txt
index 2cfb39d..786b37b 100644
--- a/requirements-frozen.txt
+++ b/requirements-frozen.txt
@@ -87,7 +87,7 @@ prompt-toolkit==1.0.15
 protobuf==3.6.1
 psycopg2==2.7.5
 ptyprocess==0.6.0
-pycares==2.3.0
+pycares==4.2.0
 Pygments==2.7.4
 pyparsing==2.2.2
 python-binary-memcached==0.26.1