diff --git a/scripts/libpostal/1.1-alpha/.travis.yml b/scripts/libpostal/1.1-alpha/.travis.yml
index 3e057457c..47f654a19 100644
--- a/scripts/libpostal/1.1-alpha/.travis.yml
+++ b/scripts/libpostal/1.1-alpha/.travis.yml
@@ -3,7 +3,7 @@ language: generic
 matrix:
   include:
     - os: osx
-      osx_image: xcode8
+      osx_image: xcode11
       compiler: clang
     - os: linux
       sudo: false
@@ -14,8 +14,11 @@ matrix:
           packages:
            - libstdc++-4.8-dev
            - pandoc
+           - autoconf
+           - automake
+           - libtool
+           - pkg-config
 
 script:
 - ./mason build ${MASON_NAME} ${MASON_VERSION}
-- nm $(./mason prefix ${MASON_NAME} ${MASON_VERSION})/bin/libpostal | grep "GLIBC" | c++filt  || true
 - ./mason publish ${MASON_NAME} ${MASON_VERSION}
\ No newline at end of file
diff --git a/scripts/libpostal/1.1-alpha/script.sh b/scripts/libpostal/1.1-alpha/script.sh
index 9cf7100cb..5959919cd 100644
--- a/scripts/libpostal/1.1-alpha/script.sh
+++ b/scripts/libpostal/1.1-alpha/script.sh
@@ -2,7 +2,7 @@
 
 MASON_NAME=libpostal
 MASON_VERSION=1.1-alpha
-MASON_LIB_FILE=bin/libpostal
+MASON_LIB_FILE=bin/libpostal_data
 
 . ${MASON_DIR}/mason.sh
 
@@ -16,37 +16,14 @@ function mason_load_source {
     export MASON_BUILD_PATH=${MASON_ROOT}/.build/${MASON_NAME}-${MASON_VERSION}
 }
 
-function mason_prepare_compile {
-
-    # installation instructions from https://github.com/openvenues/libpostal
-
-    if [[ $(uname -s) == 'Linux' ]]
-    then
-        yum install curl autoconf automake libtool pkgconfig
-    elif [[ $(uname -s) == 'Darwin' ]]
-    then
-        brew install curl autoconf automake libtool pkg-config
-    fi
-
-}
-
 function mason_compile {
     ./bootstrap.sh
-    ./configure --datadir=${MASON_ROOT}/libpostal-data/
-
-    if [[ ${TRAVIS_OS_NAME:-} ]]; then
-        make VERBOSE=1 -j4
-    else
-        make VERBOSE=1 -j${MASON_CONCURRENCY}
-    fi
-
+    ./configure ${MASON_HOST_ARG} --datadir=${MASON_ROOT}/data --prefix=${MASON_PREFIX}
+    make VERBOSE=1 -j${MASON_CONCURRENCY}
     make install
-
-    if [[ $(uname -s) == 'Linux' ]]
-    then
-        ldconfig
-    fi
-
+    cp src/libpostal ${MASON_PREFIX}/bin/
+    cp src/address_parser ${MASON_PREFIX}/bin/
+    cp src/language_classifier ${MASON_PREFIX}/bin/
 }
 
 function mason_cflags {