diff --git a/setup-libraries.sh b/setup-libraries.sh
index 3642d91ff..33ef2a3d4 100755
--- a/setup-libraries.sh
+++ b/setup-libraries.sh
@@ -96,6 +96,19 @@ cd ../../
 
 elif [ ${UNAME} = 'Linux' ]; then
 
+if [ ! -z "${TRAVIS:-}" ]; then
+    echo "[default]" > ~/.s3cfg
+    echo "use_https = True" >> ~/.s3cfg
+    echo "access_key = $AWS_ACCESS_KEY_ID" >> ~/.s3cfg
+    echo "secret_key = $AWS_SECRET_ACCESS_KEY" >> ~/.s3cfg
+
+    s3cmd sync --config=~/.s3cfg s3://mapbox-gl-testing/dependencies/build-cpp11-libstdcpp-gcc-x86_64-linux.tar.gz ./out/
+    if [ -f out/build-cpp11-libstdcpp-gcc-x86_64-linux.tar.gz ] ; then
+        rm -rf out/build-cpp11-libstdcpp-gcc-x86_64-linux
+        tar -xzf out/build-cpp11-libstdcpp-gcc-x86_64-linux.tar.gz
+    fi
+fi
+
 source Linux.sh
     if [ ! -f out/build-cpp11-libstdcpp-gcc-x86_64-linux/lib/libglfw3.a ] ; then ./scripts/build_glfw.sh ; fi
     if [ ! -f out/build-cpp11-libstdcpp-gcc-x86_64-linux/lib/libpng.a ] ; then ./scripts/build_png.sh ; fi
@@ -104,6 +117,14 @@ source Linux.sh
     if [ ! -f out/build-cpp11-libstdcpp-gcc-x86_64-linux/lib/libcurl.a ] ; then ./scripts/build_curl.sh ; fi
     if [ ! -f out/build-cpp11-libstdcpp-gcc-x86_64-linux/lib/libboost_regex.a ] ; then ./scripts/build_boost.sh --with-regex ; fi
 
+if [ ! -z "${TRAVIS:-}" ]; then
+    if ! tar --compare -zf out/build-cpp11-libstdcpp-gcc-x86_64-linux.tar.gz ; then
+        tar -zcf out/build-cpp11-libstdcpp-gcc-x86_64-linux.tar.gz out/build-cpp11-libstdcpp-gcc-x86_64-linux
+        s3cmd sync --config=~/.s3cfg out/build-cpp11-libstdcpp-gcc-x86_64-linux.tar.gz s3://mapbox-gl-testing/dependencies/
+    fi
+    rm ~/.s3cfg
+fi
+
 cd ../../
 ./configure \
 --pkg-config-root=`pwd`/mapnik-packaging/osx/out/build-cpp11-libstdcpp-gcc-x86_64-linux/lib/pkgconfig \