diff --git a/.travis.yml b/.travis.yml
index c0f0867..9894f4c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -203,6 +203,7 @@ matrix:
       env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
 
 install:
+  - GIT_FETCH_JOBS=8
   - cd ..
   - git clone -b $TRAVIS_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
@@ -211,9 +212,9 @@ install:
   - git submodule init tools/boost_install
   - git submodule init libs/headers
   - git submodule init libs/config
-  - git submodule update --jobs 4
+  - git submodule update --jobs $GIT_FETCH_JOBS
   - cp -r $TRAVIS_BUILD_DIR/* libs/integer
-  - python tools/boostdep/depinst/depinst.py integer
+  - python tools/boostdep/depinst/depinst.py --git_args "--jobs $GIT_FETCH_JOBS" integer
   - ./bootstrap.sh
   - ./b2 headers
 
diff --git a/appveyor.yml b/appveyor.yml
index 608f289..9d2365f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -41,6 +41,7 @@ environment:
 
 
 install:
+  - set GIT_FETCH_JOBS=8
   - cd ..
   - git clone -b %APPVEYOR_REPO_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
@@ -49,9 +50,9 @@ install:
   - git submodule init tools/boost_install
   - git submodule init libs/headers
   - git submodule init libs/config
-  - git submodule update --jobs 4
+  - git submodule update --jobs %GIT_FETCH_JOBS%
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\integer
-  - python tools/boostdep/depinst/depinst.py integer
+  - python tools/boostdep/depinst/depinst.py --git_args "--jobs %GIT_FETCH_JOBS%" integer
   - bootstrap
   - b2 headers