diff --git a/.travis.yml b/.travis.yml
index b3e509d..85c8433 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -258,12 +258,14 @@ install:
   - cd ..
   - git clone -b $BOOST_BRANCH https://github.com/boostorg/boost.git boost-root
   - cd boost-root
+  - git submodule init libs/headers
   - git submodule init libs/assert
   - git submodule init libs/config
   - git submodule init libs/predef
   - git submodule init libs/static_assert
   - git submodule init libs/type_traits
   - git submodule init tools/build
+  - git submodule init tools/boost_install
   - git submodule update
   - cp -r $TRAVIS_BUILD_DIR/* libs/core
   - ./bootstrap.sh
diff --git a/appveyor.yml b/appveyor.yml
index 0ba2b61..a007db8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -55,12 +55,14 @@ install:
   - cd ..
   - git clone -b %BOOST_BRANCH% https://github.com/boostorg/boost.git boost-root
   - cd boost-root
+  - git submodule init libs/headers
   - git submodule init libs/assert
   - git submodule init libs/config
   - git submodule init libs/predef
   - git submodule init libs/static_assert
   - git submodule init libs/type_traits
   - git submodule init tools/build
+  - git submodule init tools/boost_install
   - git submodule update
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\core
   - cmd /c bootstrap