diff --git a/CMakeLists.txt b/CMakeLists.txt
index a029adc5..9b76cbe2 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,7 @@ option(BUILD_TESTING "Build tests" OFF)
 option(BUILD_DOC "Build Doxygen documentation" OFF)
 option(BUILD_DEPENDENCIES "Fetch and build dependencies" OFF)
 option(TRANTOR_USE_SPDLOG "Allow using the spdlog logging library" ON)
-option(TRANTOR_USE_C-ARES "Allow using C-ARES" OFF)
+option(TRANTOR_USE_C-ARES "Allow using C-ARES" ON)
 set(TRANTOR_TLS_PROVIDER
     "auto"
     CACHE STRING "TLS(Transport Layer Security) provider for trantor. Valid options are
diff --git a/README.md b/README.md
index 6ce3a6f2..eb74aedd 100755
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Trantor provides some building options, you can enable or disable them by settin
 | BUILD_DOC | Build Doxygen documentation |  OFF | 
 | BUILD_DEPENDENCIES | Fetch and build dependencies, this allow you use latest or change dependencies version, if you don't want to use system package manager provided | OFF | 
 | TRANTOR_USE_SPDLOG | Allow using the spdlog logging library | ON | 
-| TRANTOR_USE_C-ARES | Allow using C-ARES |  OFF |
+| TRANTOR_USE_C-ARES | Allow using C-ARES |  ON |
 | TRANTOR_TLS_PROVIDER | TLS provider for trantor. Valid options are 'none', 'openssl', 'botan-3', 'auto'.   | auto  | 
 
 > With option `BUILD_DEPENDENCIES` on, the related dependencies source will download and build automatically based on the options settings, this make develop more easily in `Windows`.