build: update brew

diff --git a/scripts/bootstrap-depends.sh b/scripts/bootstrap-depends.sh
index e1f2684c1158b7fca93b19ea61d190de51197a94..761422e87d4010468684cc8ab946788dd9206bc1 100755 (executable)
--- a/scripts/bootstrap-depends.sh
+++ b/scripts/bootstrap-depends.sh
@@ -79,6 +79,7 @@ PIP_PKGS="${TRAVIS_BUILD_DIR}/tests/pydnstest/requirements.txt cpp-coveralls"
 if [ "${TRAVIS_OS_NAME}" == "osx" ]; then
        DEPEND_CACHE="https://dl.dropboxusercontent.com/u/2255176/resolver-${TRAVIS_OS_NAME}-cache.tar.gz"
        curl "${DEPEND_CACHE}" > cache.tar.gz && tar -xz -C ${HOME} -f cache.tar.gz || true
+       brew update
        brew install --force makedepend python libtasn1 || true
        brew link --overwrite python || true
        pip install --upgrade pip || true