diff --git a/.travis.yml b/.travis.yml
index 68cacad00..53b9226ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -170,11 +170,11 @@ matrix:
       sudo: required
       dist: trusty
     - os: linux
-      env: SWIGLANG=python SWIG_FEATURES=-builtin SWIG_CC=gcc-5 SWIG_CXX=g++-5 CPP11=1
+      env: SWIGLANG=python SWIG_FEATURES=-builtin SWIG_CC=gcc-6 SWIG_CXX=g++-6 CPP11=1
       sudo: required
       dist: trusty
     - os: linux
-      env: SWIGLANG=python SWIG_FEATURES=-builtin SWIG_CC=gcc-5 SWIG_CXX=g++-5 CPP11=1 PY3=3 VER=3.5
+      env: SWIGLANG=python SWIG_FEATURES=-builtin SWIG_CC=gcc-6 SWIG_CXX=g++-6 CPP11=1 PY3=3 VER=3.6
       sudo: required
       dist: trusty
     - compiler: gcc
@@ -189,7 +189,12 @@ matrix:
       dist: trusty
     - compiler: gcc
       os: linux
-      env: SWIGLANG=python SWIG_FEATURES=-builtin PY3=3 VER=3.5 SWIGOPTPY3=
+      env: SWIGLANG=python SWIG_FEATURES=-builtin PY3=3 VER=3.6
+      sudo: required
+      dist: trusty
+    - compiler: gcc
+      os: linux
+      env: SWIGLANG=python SWIG_FEATURES=-builtin PY3=3 VER=3.6 SWIGOPTPY3=
       sudo: required
       dist: trusty
     - compiler: gcc