diff --git a/build.ps1 b/build.ps1
index 1e4ea99..60f9c5f 100644
--- a/build.ps1
+++ b/build.ps1
@@ -29,11 +29,11 @@ Param(
     [string[]]$ScriptArgs
 )
 
-$FakeVersion = "4.61.2"
-$NugetVersion = "4.1.0";
+$FakeVersion = "4.63.0"
+$NugetVersion = "5.8.0";
 $NugetUrl = "https://dist.nuget.org/win-x86-commandline/v$NugetVersion/nuget.exe"
 $ProtobufVersion = "3.4.0"
-$DocfxVersion = "2.40.5"
+$DocfxVersion = "2.59.4"
 
 # Make sure tools folder exists
 $PSScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent
@@ -93,7 +93,7 @@ if (Get-Command signclient -ErrorAction SilentlyContinue) {
 else{
     $SignClientFolder = Join-Path $ToolPath "signclient"
     Write-Host "SignClient not found. Installing to ... $SignClientFolder"
-    dotnet tool install SignClient --version 1.0.82 --tool-path "$SignClientFolder"
+    dotnet tool install SignClient --version 8.0.206 --tool-path "$SignClientFolder"
 }
 
 ###########################################################################
diff --git a/build.sh b/build.sh
index 1ac413a..6fb3541 100755
--- a/build.sh
+++ b/build.sh
@@ -8,10 +8,10 @@ SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 TOOLS_DIR=$SCRIPT_DIR/tools
 SIGNCLIENT_DIR=$TOOLS_DIR/signclient
 NUGET_EXE=$TOOLS_DIR/nuget.exe
-NUGET_URL=https://dist.nuget.org/win-x86-commandline/v4.0.0/nuget.exe
-FAKE_VERSION=4.61.2
+NUGET_URL=https://dist.nuget.org/win-x86-commandline/v5.8.0/nuget.exe
+FAKE_VERSION=4.63.0
 FAKE_EXE=$TOOLS_DIR/FAKE/tools/FAKE.exe
-DOCFX_VERSION=2.40.5
+DOCFX_VERSION=2.59.4
 DOCFX_EXE=$TOOLS_DIR/docfx.console/tools/docfx.exe
 
 # Define default arguments.
@@ -92,7 +92,7 @@ fi
 # INSTALL SignTool
 ###########################################################################
 if [ ! -f "$SIGNTOOL_EXE" ]; then
-    "$SCRIPT_DIR/.dotnet/dotnet" tool install SignClient --version 1.0.82 --tool-path "$SIGNCLIENT_DIR"
+    "$SCRIPT_DIR/.dotnet/dotnet" tool install SignClient --version 8.0.206 --tool-path "$SIGNCLIENT_DIR"
     if [ $? -ne 0 ]; then
         echo "SignClient already installed."
     fi