diff --git a/.travis.yml b/.travis.yml
index dd85603..cda9b52 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,6 +33,8 @@ install:
   - git submodule update --init tools/build
   - git submodule update --init libs/config
   - git submodule update --init tools/boostdep
+  - git submodule update --init tools/boost_install
+  - git submodule update --init libs/headers
   - cp -r $TRAVIS_BUILD_DIR/* libs/preprocessor
   - python tools/boostdep/depinst/depinst.py preprocessor
   - ./bootstrap.sh
diff --git a/appveyor.yml b/appveyor.yml
index 3d07613..b43326f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -49,6 +49,8 @@ for:
     - git submodule update --init tools/build
     - git submodule update --init libs/config
     - git submodule update --init tools/boostdep
+    - git submodule update --init tools/boost_install
+    - git submodule update --init libs/headers
     - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\preprocessor
     - python tools/boostdep/depinst/depinst.py preprocessor
     - bootstrap