diff --git a/build.ps1 b/build.ps1
index 8f2f99691a7e95e8b256b6589117cd424d8f43ef..24ca167cf65b2c0b43d1bd3b7dde86d06222428c 100644
--- a/build.ps1
+++ b/build.ps1
@@ -33,7 +33,7 @@ cd $PSScriptRoot
 $repoFolder = $PSScriptRoot
 $env:REPO_FOLDER = $repoFolder
 
-$koreBuildZip="https://github.com/aspnet/KoreBuild/archive/dev.zip"
+$koreBuildZip="https://github.com/aspnet/KoreBuild/archive/rel/1.1.0.zip"
 if ($env:KOREBUILD_ZIP)
 {
     $koreBuildZip=$env:KOREBUILD_ZIP
diff --git a/build.sh b/build.sh
index f4208100ebb57873882222c574d7ee9636480508..fea9ac64adeb14a7e4a280837a7cb2d861a50e9f 100755
--- a/build.sh
+++ b/build.sh
@@ -2,7 +2,7 @@
 repoFolder="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 cd $repoFolder
 
-koreBuildZip="https://github.com/aspnet/KoreBuild/archive/dev.zip"
+koreBuildZip="https://github.com/aspnet/KoreBuild/archive/rel/1.1.0.zip"
 if [ ! -z $KOREBUILD_ZIP ]; then
     koreBuildZip=$KOREBUILD_ZIP
 fi