diff --git a/.travis.yml b/.travis.yml
index f4e0ea04..7d0baaa7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -191,7 +191,7 @@ install:
   - git submodule init libs/utility
 
   - git submodule init tools/build
-  - git submodule update --depth 10
+  - git submodule update
 
   - rm -rf libs/fusion
   - mv $TRAVIS_BUILD_DIR libs/fusion
diff --git a/appveyor.yml b/appveyor.yml
index 86f751a8..efccd5f4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -63,7 +63,7 @@ install:
   - git submodule init libs/utility
 
   - git submodule init tools/build
-  - git submodule update --depth 10
+  - git submodule update
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\fusion
   - cmd /c bootstrap
   - b2 headers