diff --git a/.travis.yml b/.travis.yml
index f1ae484..1604659 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -75,6 +75,7 @@ install:
   - git submodule init tools/boostdep
   - git submodule init tools/boost_install
   - git submodule init libs/headers
+  - git submodule init libs/config
   - git submodule update --jobs 4
   - cp -r $TRAVIS_BUILD_DIR/* libs/iterator
   - python tools/boostdep/depinst/depinst.py iterator
diff --git a/appveyor.yml b/appveyor.yml
index 498099c..9c6eb3f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -32,6 +32,7 @@ install:
   - git submodule init tools/boostdep
   - git submodule init tools/boost_install
   - git submodule init libs/headers
+  - git submodule init libs/config
   - git submodule update --jobs 4
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\iterator
   - python tools/boostdep/depinst/depinst.py iterator