diff --git a/bootstrap.sh b/bootstrap.sh
index 0acb546b8..595bac5aa 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -11,7 +11,7 @@ todo
 - shrink icu data
 '
 
-MASON_VERSION="master"
+MASON_VERSION="v0.7.0"
 
 function setup_mason() {
     if [[ ! -d ./.mason ]]; then