diff --git a/.travis.yml b/.travis.yml
index ec5adb5..a1be81a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -291,6 +291,7 @@ install:
   - git submodule init libs/config
   - git submodule init libs/predef
   - git submodule init libs/static_assert
+  - git submodule init libs/throw_exception
   - git submodule init libs/type_traits
   - git submodule init tools/build
   - git submodule init tools/boost_install
diff --git a/appveyor.yml b/appveyor.yml
index 6c1b13a..aebd80c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -62,6 +62,7 @@ install:
   - git submodule init libs/config
   - git submodule init libs/predef
   - git submodule init libs/static_assert
+  - git submodule init libs/throw_exception
   - git submodule init libs/type_traits
   - git submodule init tools/build
   - git submodule init tools/boost_install