diff --git a/.travis.yml b/.travis.yml
index 8672ce3..5ee2e0a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,7 @@ install:
   - git clone -b $TRAVIS_BRANCH https://github.com/boostorg/boost.git boost
   - cd boost
   - git submodule init libs/bind
+  - git submodule init libs/align
   - git submodule init libs/assert
   - git submodule init libs/config
   - git submodule init libs/core
diff --git a/appveyor.yml b/appveyor.yml
index 10ab83e..8c69778 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,6 +15,7 @@ install:
   - git clone -b %APPVEYOR_REPO_BRANCH% https://github.com/boostorg/boost.git boost
   - cd boost
   - git submodule init libs/bind
+  - git submodule init libs/align
   - git submodule init libs/assert
   - git submodule init libs/config
   - git submodule init libs/core