diff --git a/packaging/env-var-script.txt b/packaging/env-var-script.txt
index 91ce230f7..25bb523ac 100644
--- a/packaging/env-var-script.txt
+++ b/packaging/env-var-script.txt
@@ -1 +1,2 @@
 export BUILD_S3="1"
+export MACOSX_DEPLOYMENT_TARGET="10.13"