diff --git a/Build.md b/Build.md
index cef317c..be47cb0 100644
--- a/Build.md
+++ b/Build.md
@@ -68,7 +68,7 @@ Steps below are for Windows 10 and Visual Studio 2019 Professional.
 Open an x64 Native Tools Command Prompt for Visual Studio 2019.
 
 ```
-git clone https://github.com/microsoft/vcpkg.git
+git clone -b 2020.11-1 https://github.com/microsoft/vcpkg.git
 cd vcpkg
 bootstrap-vcpkg.bat
 vcpkg install cpprestsdk[websockets]:x64-windows-static
diff --git a/CentOS8.md b/CentOS8.md
index 499df56..10d97f2 100644
--- a/CentOS8.md
+++ b/CentOS8.md
@@ -28,7 +28,7 @@ sudo yum install cmake
 Using a Terminal window with the PATH and devtoolset enabled per the Dependencies.
 
 ```
-git clone https://github.com/microsoft/vcpkg.git
+git clone -b 2020.11-1 https://github.com/microsoft/vcpkg.git
 cd vcpkg
 ./bootstrap-vcpkg.sh
 ./vcpkg install cpprestsdk[websockets]