diff --git a/.travis.yml b/.travis.yml
index 917d2aa29b..833ddfe3a7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,7 @@ script:
     -DJSON_INCLUDE_DIR=/usr/include/json \
     -DBUILD_DOCUMENTATION=On \
     ..
-  - travis_wait sudo make -j2 install
+  - travis_wait sudo make -j4 install
     
   # - cd ../../test
   # - /usr/bin/python2.7 tests.py