diff --git a/scripts/build.sh b/scripts/build.sh
index dc4347a2a0..4fa9fd1337 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -215,9 +215,9 @@ function install_cli()
             return 1
         fi
         chmod u+x $install_script
-        # Get netcoreapp1.1 shared components
+        # Runtime versions installed usually need to be kept in sync with the ones installed in common.lib.ps1
         $install_script --runtime dotnet --install-dir "$TP_DOTNET_DIR" --no-path --architecture x64 --channel "2.1" --version "2.1.30"
-        $install_script --runtime dotnet --install-dir "$TP_DOTNET_DIR" --no-path --architecture x64 --channel "3.1" --version "3.1.24"
+        $install_script --runtime dotnet --install-dir "$TP_DOTNET_DIR" --no-path --architecture x64 --channel "3.1" --version "3.1.27"
         $install_script --runtime dotnet --install-dir "$TP_DOTNET_DIR" --no-path --architecture x64 --channel "5.0" --version "5.0.16"
         $install_script --runtime dotnet --install-dir "$TP_DOTNET_DIR" --no-path --architecture x64 --channel "6.0" --version "6.0.4"
 
diff --git a/scripts/common.lib.ps1 b/scripts/common.lib.ps1
index 526939e0f7..7c94afc973 100644
--- a/scripts/common.lib.ps1
+++ b/scripts/common.lib.ps1
@@ -105,14 +105,15 @@ function Install-DotNetCli
     $dotnetInstallPath = Join-Path $env:TP_TOOLS_DIR "dotnet"
     New-Item -ItemType directory -Path $dotnetInstallPath -Force | Out-Null
 
+    # Runtime versions installed usually need to be kept in sync with the ones installed in build.sh
     & $dotnetInstallScript -InstallDir "$dotnetInstallPath" -Runtime 'dotnet' -Channel '2.1' -Architecture x64 -NoPath -Version '2.1.30'
-    & $dotnetInstallScript -InstallDir "$dotnetInstallPath" -Runtime 'dotnet' -Channel '3.1' -Architecture x64 -NoPath -Version '3.1.24'
+    & $dotnetInstallScript -InstallDir "$dotnetInstallPath" -Runtime 'dotnet' -Channel '3.1' -Architecture x64 -NoPath -Version '3.1.27'
     & $dotnetInstallScript -InstallDir "$dotnetInstallPath" -Runtime 'dotnet' -Channel '5.0' -Architecture x64 -NoPath -Version '5.0.16'
     & $dotnetInstallScript -InstallDir "$dotnetInstallPath" -Runtime 'dotnet' -Channel '6.0' -Architecture x64 -NoPath -Version '6.0.4'
     & $dotnetInstallScript -InstallDir "$dotnetInstallPath" -Channel '7.0' -Architecture x64 -NoPath -Version $env:DOTNET_CLI_VERSION
 
     & $dotnetInstallScript -InstallDir "${dotnetInstallPath}_x86" -Runtime 'dotnet' -Channel '2.1' -Architecture x86 -NoPath -Version '2.1.30'
-    & $dotnetInstallScript -InstallDir "${dotnetInstallPath}_x86" -Runtime 'dotnet' -Channel '3.1' -Architecture x86 -NoPath -Version '3.1.24'
+    & $dotnetInstallScript -InstallDir "${dotnetInstallPath}_x86" -Runtime 'dotnet' -Channel '3.1' -Architecture x86 -NoPath -Version '3.1.27'
     & $dotnetInstallScript -InstallDir "${dotnetInstallPath}_x86" -Runtime 'dotnet' -Channel '5.0' -Architecture x86 -NoPath -Version '5.0.16'
     & $dotnetInstallScript -InstallDir "${dotnetInstallPath}_x86" -Runtime 'dotnet' -Channel '6.0' -Architecture x86 -NoPath -Version '6.0.4'
     & $dotnetInstallScript -InstallDir "${dotnetInstallPath}_x86" -Channel '7.0' -Architecture x86 -NoPath -Version $env:DOTNET_CLI_VERSION
@@ -390,7 +391,7 @@ function Start-InlineProcess {
 }
 
 Add-Type -TypeDefinition @"
-    public static class Hash { 
+    public static class Hash {
         public static string GetHash(string value)
         {
             unchecked
@@ -414,6 +415,6 @@ function Get-Hash {
         [string]$Value
     )
 
-    # PowerShell does not have unchecked keyword, so we can't do unchecked math easily. 
+    # PowerShell does not have unchecked keyword, so we can't do unchecked math easily.
     [Hash]::GetHash($Value)
 }