diff --git a/build-go.sh b/build-go.sh
index 4a949e0..8ece40e 100755
--- a/build-go.sh
+++ b/build-go.sh
@@ -1,7 +1,6 @@
 #!/bin/bash
 
 set -e
-set -x
 if [ $(id -u) -ne 0 ]; then
   echo "error: this script must be run as root">&2
   exit 1
@@ -17,8 +16,8 @@ bootstrap="${install_dir}/bootstrap-${v14}"
 tgz14="${v14}.tar.gz"
 path_v14="${install_dir}/${tgz14}"
 
-new="go1.12.9"
-new_sum="c31433aa0bb01856c812d40a91336e25cbce2e50800eb9fe88a7adf0305f1a5b"
+new="go1.13"
+new_sum="6932d84abbe86ff09473a913fb9927e9121f2ff41f7859893fc681d2b39a7da3"
 tgznew="${new}.tar.gz"
 path_new="${install_dir}/${tgznew}"