diff --git a/ci/build-osx.sh b/ci/build-osx.sh
index 1d0b078..a3d5b6a 100755
--- a/ci/build-osx.sh
+++ b/ci/build-osx.sh
@@ -5,6 +5,7 @@ cd build
 
 # Configure
 cmake .. \
+-DCMAKE_OSX_DEPLOYMENT_TARGET=10.11 \
 -DCMAKE_BUILD_TYPE=RelWithDebInfo \
 -DCMAKE_INSTALL_PREFIX=${DISTRIBUTEDIRECTORY}/node-window-rendering
 -DNODEJS_NAME=${RUNTIMENAME} \