diff --git a/.travis.yml b/.travis.yml
index 5f48dc3f9..0a421a249 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: cpp
 
 compiler:
  - clang
-# - gcc
+ - gcc
 
 env:
   matrix:
@@ -17,6 +17,8 @@ before_install:
   - sudo apt-get -qq purge postgis* postgresql*
   - sudo apt-add-repository -y ppa:cartodb/postgresql-9.3
   - sudo apt-add-repository -y ppa:cartodb/gis
+  # we need at least g++-4.7 for c++11 features
+  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
   - sudo rm -Rf /var/lib/postgresql /etc/postgresql
   - sudo apt-get update -qq
   - sudo apt-get install -q postgresql-9.3-postgis-2.1
@@ -26,11 +28,8 @@ before_install:
   - sudo service postgresql restart
 
 install:
- - sudo add-apt-repository -y ppa:boost-latest/ppa
- # we need at least g++-4.7 for c++11 features
- - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
- - sudo apt-get update -qq
- - sudo apt-get install -y ttf-wqy-microhei make libstdc++6 libstdc++-4.8-dev valgrind boost1.55 python-nose libicu-dev libproj-dev libcairo-dev python-cairo-dev libcairo-dev python-cairo-dev libpng-dev libjpeg-dev libtiff-dev libwebp-dev libz-dev libfreetype6-dev libxml2-dev libsqlite3-dev
+ - sudo apt-get purge libboost1.46-dev
+ - sudo apt-get install -y ttf-wqy-microhei make libstdc++6 libstdc++-4.8-dev valgrind libboost-python1.48-dev libboost-thread1.48-dev libboost-filesystem1.48-dev libboost-regex1.48-dev libboost-program-options1.48-dev python-nose libicu-dev libproj-dev libcairo-dev python-cairo-dev libcairo-dev python-cairo-dev libpng-dev libjpeg-dev libtiff-dev libwebp-dev libz-dev libfreetype6-dev libxml2-dev libsqlite3-dev
 
 before_script:
  - psql -U postgres -c 'create database template_postgis'
@@ -45,8 +44,8 @@ before_script:
 
 script:
  - ./configure CXX="${CXX}" CC="${CC}" CUSTOM_CXXFLAGS="${CUSTOM_CXXFLAGS}" CUSTOM_LDFLAGS="${CUSTOM_LDFLAGS}" XML_PARSER="${XML_PARSER}" ENABLE_LOG="${ENABLE_LOG}" DEBUG="${DEBUG}" DEMO="${DEMO}" BENCHMARK="${BENCHMARK}" CPP_TESTS=True CAIRO=True FAST=True || cat config.log
- - if [[ "${DEBUG}" == true ]]; then JOBS=2 make; else JOBS=6 make; fi;
+ - if [[ "${DEBUG}" == true ]]; then JOBS=4 make; else JOBS=8 make; fi;
  - git clone https://github.com/mapbox/mapnik-test-data tests/data/mapnik-test-data
- - make test
+ - JOBS=${JOBS} make test
  - source localize.sh && make grind
  - if [[ ${BENCHMARK} != False ]]; then make bench; fi;