diff --git a/run-build.ps1 b/run-build.ps1
index 5a1b2843e..f628e4cca 100644
--- a/run-build.ps1
+++ b/run-build.ps1
@@ -95,8 +95,8 @@ if ($LastExitCode -ne 0)
 # install the post-PJnistic stage0
 $dotnetInstallPath = Join-Path $toolsLocalPath "dotnet-install.ps1"
 
-Write-Host "$dotnetInstallPath -Version ""1.0.0-preview5-004422"" -InstallDir $env:DOTNET_INSTALL_DIR -Architecture ""$Architecture"""
-Invoke-Expression "$dotnetInstallPath -Version ""1.0.0-preview5-004422"" -InstallDir $env:DOTNET_INSTALL_DIR -Architecture ""$Architecture"""
+Write-Host "$dotnetInstallPath -Channel ""master"" -InstallDir $env:DOTNET_INSTALL_DIR -Architecture ""$Architecture"""
+Invoke-Expression "$dotnetInstallPath -Channel ""master"" -InstallDir $env:DOTNET_INSTALL_DIR -Architecture ""$Architecture"""
 if ($LastExitCode -ne 0)
 {
     Write-Output "The .NET CLI installation failed with exit code $LastExitCode"
diff --git a/run-build.sh b/run-build.sh
index 256527faa..e85c4de95 100755
--- a/run-build.sh
+++ b/run-build.sh
@@ -155,8 +155,8 @@ if [ $? != 0 ]; then
 fi
 
 # now execute the script
-echo "installing CLI: $dotnetInstallPath --version \"1.0.0-preview5-004422\" --install-dir $DOTNET_INSTALL_DIR --architecture \"$ARCHITECTURE\""
-$dotnetInstallPath --version "1.0.0-preview5-004422" --install-dir $DOTNET_INSTALL_DIR --architecture "$ARCHITECTURE"
+echo "installing CLI: $dotnetInstallPath --channel \"master\" --install-dir $DOTNET_INSTALL_DIR --architecture \"$ARCHITECTURE\""
+$dotnetInstallPath --channel "master" --install-dir $DOTNET_INSTALL_DIR --architecture "$ARCHITECTURE"
 if [ $? != 0 ]; then
     echo "run-build: Error: Boot-strapping post-PJ stage0 with exit code $?." >&2
     exit $?