diff --git a/Build.md b/Build.md
index be47cb0..ba41e22 100644
--- a/Build.md
+++ b/Build.md
@@ -25,7 +25,7 @@ sudo apt install git cmake build-essential curl zip unzip tar pkg-config
 Open a Terminal window.
 
 ```
-git clone -b 2020.11-1 https://github.com/microsoft/vcpkg.git
+git clone -b 2021.05.12 https://github.com/microsoft/vcpkg.git
 cd vcpkg
 ./bootstrap-vcpkg.sh
 ./vcpkg install cpprestsdk[websockets]
@@ -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 -b 2020.11-1 https://github.com/microsoft/vcpkg.git
+git clone -b 2021.05.12 https://github.com/microsoft/vcpkg.git
 cd vcpkg
 bootstrap-vcpkg.bat
 vcpkg install cpprestsdk[websockets]:x64-windows-static
diff --git a/scripts/jenkins-pre-build.cmd b/scripts/jenkins-pre-build.cmd
index 0d48cb5..70e1c1e 100755
--- a/scripts/jenkins-pre-build.cmd
+++ b/scripts/jenkins-pre-build.cmd
@@ -15,7 +15,7 @@ set VCPKG_DIR=C:\opt\vcpkg-source
 cd %VCPKG_DIR%
 
 REM build vcpkg
-git clone --branch 2020.11-1 https://github.com/microsoft/vcpkg.git
+git clone --branch 2021.05.12 https://github.com/microsoft/vcpkg.git
 cd vcpkg
 cmd /c bootstrap-vcpkg.bat
 
diff --git a/scripts/jenkins-pre-build.sh b/scripts/jenkins-pre-build.sh
index 3fb1543..7e2c3b1 100755
--- a/scripts/jenkins-pre-build.sh
+++ b/scripts/jenkins-pre-build.sh
@@ -12,7 +12,7 @@ apt install git cmake build-essential curl zip unzip tar pkg-config -y
 
 #cd "$BASE_DIR"/rpc
 ## build vcpkg
-git -C vcpkg pull || git clone --branch 2020.11-1 https://github.com/microsoft/vcpkg.git vcpkg
+git -C vcpkg pull || git clone --branch 2021.05.12 https://github.com/microsoft/vcpkg.git vcpkg
 cd vcpkg
 ./bootstrap-vcpkg.sh