diff --git a/.travis.yml b/.travis.yml
index 40c4a24..0581815 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: c
 install:
     - sudo apt-get update
-    - sudo apt-get -y install libtool pkg-config libexpat1-dev libxml2-dev libssl-dev
+    - sudo apt-get -y install libtool pkg-config libexpat1-dev libxml2-dev libssl-dev libc-ares-dev
 before_script:
     - ./bootstrap.sh
 script:
@@ -9,7 +9,7 @@ script:
 env:
     - CONFIGURE_OPT="--without-libxml2"
     - CONFIGURE_OPT="--with-libxml2"
-    - CONFIGURE_OPT="--disable-tls --without-libxml2"
-    - CONFIGURE_OPT="--disable-tls --with-libxml2"
+    - CONFIGURE_OPT="--disable-tls"
+    - CONFIGURE_OPT="--enable-cares"
 matrix:
     fast_finish: true