diff --git a/.appveyor.yml b/.appveyor.yml
index 011dd1f..4fc37d6 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -16,12 +16,12 @@ environment:
       TOOLSET: msvc-14.1
 
 install:
-  - curl -sSL -o c:\projects\boost.7z https://dl.bintray.com/boostorg/release/1.66.0/source/boost_1_66_0.7z
+  - curl -sSL -o c:\projects\boost.7z https://dl.bintray.com/boostorg/release/1.67.0/source/boost_1_67_0.7z
   - 7z x -oc:\projects c:\projects\boost.7z
-  - rd /s /q c:\projects\boost_1_66_0\tools\quickbook
-  - mkdir c:\projects\boost_1_66_0\tools\quickbook
-  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% c:\projects\boost_1_66_0\tools\quickbook
-  - cd c:\projects\boost_1_66_0
+  - rd /s /q c:\projects\boost_1_67_0\tools\quickbook
+  - mkdir c:\projects\boost_1_67_0\tools\quickbook
+  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% c:\projects\boost_1_67_0\tools\quickbook
+  - cd c:\projects\boost_1_67_0
   - cmd /c bootstrap
   - b2 headers
 
diff --git a/.travis.yml b/.travis.yml
index fe3a96d..69a153e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,8 +34,8 @@ matrix:
               - clang-3.4
 
 before_script:
-    - export BOOST_VERSION=1.66.0
-    - export BOOST_FILENAME=boost_1_66_0
+    - export BOOST_VERSION=1.67.0
+    - export BOOST_FILENAME=boost_1_67_0
     - cd ${HOME}
     - echo $USER_CONFIG > user-config.jam
     - cat user-config.jam