diff --git a/.travis.yml b/.travis.yml
index 69c0c28..7d45465 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,12 +27,16 @@ matrix:
       env: TOOLSET=clang-3.4
     - compiler: clang
       env: TOOLSET=clang-3.5
+    - compiler: clang
+      env: TOOLSET=clang-3.6
     - compiler: gcc
       env: TOOLSET=gcc-4.7
     - compiler: gcc
       env: TOOLSET=gcc-4.8
     - compiler: gcc
       env: TOOLSET=gcc-4.9
+    - compiler: gcc
+      env: TOOLSET=gcc-5.1
 
 before_install: wget "https://raw.githubusercontent.com/boostorg/regression/develop/ci/src/script.py"
 install: python script.py travis_install