diff --git a/.travis.yml b/.travis.yml
index 3e20f80..a5109e3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -45,14 +45,22 @@ matrix:
       language: generic
       env:
         - MB_PYTHON_VERSION=3.5
-        - MACOSX_DEPLOYMENT_TARGET=10.6 # since pandas PR24274, mac builds default to 10.9
     - os: osx
       language: generic
       env:
         - MB_PYTHON_VERSION=3.6
-        - MACOSX_DEPLOYMENT_TARGET=10.6 # since pandas PR24274, mac builds default to 10.9
-
-
+    - os: osx
+      language: generic
+      env:
+        - MB_PYTHON_VERSION=3.6
+        - MB_PYTHON_OSX_VER=10.9
+    - os: osx
+      language: generic
+      env:
+        - MB_PYTHON_VERSION=3.7
+        - MB_PYTHON_OSX_VER=10.9
+        - NP_BUILD_DEP="numpy==1.14.5"
+        - NP_TEST_DEP="numpy==1.14.5"
 
 before_install:
     # See:
diff --git a/config.sh b/config.sh
index b9bea05..1e4ed14 100644
--- a/config.sh
+++ b/config.sh
@@ -4,7 +4,12 @@
 function pre_build {
     # Any stuff that you need to do before you start building the wheels
     # Runs in the root directory of this repository.
-    :
+    if [ -n "$IS_OSX" ]; then
+        # Override pandas minimum MACOSX_DEPLOYEMENT_TARGET=10.9 so we can
+        # build for older Pythons
+        # See https://github.com/pandas-dev/pandas/pull/24274
+        export MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET:-$(get_macpython_osx_ver)}
+    fi
 }
 
 function build_wheel {
diff --git a/multibuild b/multibuild
index 951b6c6..e373d06 160000
--- a/multibuild
+++ b/multibuild
@@ -1 +1 @@
-Subproject commit 951b6c64f01853cf2569000bb30ecd01a16bba0b
+Subproject commit e373d06f9aa39cd9287b75d596bba7a95b042abb