--- a/.travis.yml	Tue Dec 15 22:24:34 2015 +0800
+++ b/.travis.yml	Tue Mar 15 22:45:43 2016 +0800
@@ -1,20 +1,22 @@
 language: c
+
+os:
+  - linux
+
 compiler:
   - gcc
 
-script: 
-  - autoconf && autoheader && ./configure $BUNDLEDLIBTOM CFLAGS="-O2 -Wall -Wno-pointer-sign $WEXTRAFLAGS" --prefix=$HOME/inst 
-  - test "$NOWRITEV" && sed -i s/HAVE_WRITEV/DONT_HAVE_WRITEV/ config.h || true
-  - make install
-  - ~/inst/bin/dropbearkey -t rsa -f testrsa
-  - ~/inst/bin/dropbearkey -t dss -f testdss
-  - ~/inst/bin/dropbearkey -t ecdsa -f testec256 -s 256
-  - ~/inst/bin/dropbearkey -t ecdsa -f testec384 -s 384
-  - ~/inst/bin/dropbearkey -t ecdsa -f testec521 -s 521
+# container-based builds
+sudo: false
+addons:
+  apt:
+    packages:
+    # packages list: https://github.com/travis-ci/apt-package-whitelist/blob/master/ubuntu-precise
+    - zlib1g-dev
 
-before_install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq libz-dev libtomcrypt-dev libtommath-dev
+script:
+  - autoconf && autoheader && ./configure CFLAGS="-O2 -Wall -Wno-pointer-sign" --prefix="$HOME/inst"
+  - make -j3 install
 
 env:
   global: