diff --git a/.travis.yml b/.travis.yml
index c048a0d7..b368a08d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,9 +14,9 @@ before_install:
   - sudo apt-get install -qqm python3-pyqt4 python3-sip-dev
   # install SIP
   - cd build
-  - wget --quiet --output-document=sip.tar.gz http://downloads.sourceforge.net/project/pyqt/sip/sip-4.15.3/sip-4.15.3.tar.gz
+  - wget --quiet --output-document=sip.tar.gz http://downloads.sourceforge.net/project/pyqt/sip/sip-4.16.6/sip-4.16.5.tar.gz
   - tar -xf sip.tar.gz
-  - cd sip-4.15.3
+  - cd sip-4.16.5
   - python -B configure.py
   - make
   - sudo make install