diff --git a/.travis.yml b/.travis.yml
index 32f3888..a4ead12 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ addons:
   apt:
     sources:
     - ubuntu-toolchain-r-test
+    - george-edison55-precise-backports # cmake 3.2.3 / doxygen 1.8.3
     packages:
     - g++-4.8
     - cmake
@@ -14,7 +15,7 @@ addons:
     
 script: 
   - ./travis-build.sh
- 
+
   - cd MQTTSNGateway
   - make CXX="g++-4.8" SENSORNET="xbee"
   - make CXX="g++-4.8" SENSORNET="udp"