diff --git a/.travis.yml b/.travis.yml
index 7448bf9..1c6dbdb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -193,6 +193,7 @@ install:
   - git submodule update --init libs/throw_exception
   - git submodule update --init libs/type_traits
   - git submodule update --init libs/container_hash
+  - git submodule update --init libs/integer
   - cp -r $TRAVIS_BUILD_DIR/* libs/utility
   - ./bootstrap.sh
   - ./b2 headers
diff --git a/appveyor.yml b/appveyor.yml
index cb0cf9f..c81a2ac 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -37,6 +37,7 @@ install:
   - git submodule update --init libs/throw_exception
   - git submodule update --init libs/type_traits
   - git submodule update --init libs/container_hash
+  - git submodule update --init libs/integer
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\utility
   - cmd /c bootstrap
   - b2 -d0 headers