diff --git a/bootstrap.sh b/bootstrap.sh
index da7ab9525..f877c8c8f 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -45,7 +45,7 @@ function install() {
 }
 
 ICU_VERSION="57.1"
-BOOST_VERSION="1.65.1"
+BOOST_VERSION="1.64.0"
 
 function install_mason_deps() {
     install ccache 3.3.1