diff --git a/.travis.yml b/.travis.yml
index 86e74cb..44662e6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,6 +23,7 @@ install:
   - cd boost-root
   - git submodule update --init --depth 1 tools/build
   - git submodule update --init --depth 1 libs/config
+  - git submodule update --init --depth 1 libs/tokenizer
   - git submodule update --init --depth 1 tools/boostdep
   - cp -r $TRAVIS_BUILD_DIR/* libs/function_types
   - python tools/boostdep/depinst/depinst.py function_types
diff --git a/appveyor.yml b/appveyor.yml
index 4726606..cc50ae0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -24,6 +24,7 @@ install:
   - cd boost-root
   - git submodule update --init tools/build
   - git submodule update --init libs/config
+  - git submodule update --init libs/tokenizer
   - git submodule update --init tools/boostdep
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\function_types
   - python tools/boostdep/depinst/depinst.py function_types