diff --git a/.github/workflows/build_all.yml b/.github/workflows/build_all.yml
index 1214b42..465f60d 100644
--- a/.github/workflows/build_all.yml
+++ b/.github/workflows/build_all.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Create Build Dir
         run: mkdir build
       - name: Clone
-        run: git clone --branch 2020.11-1 https://github.com/microsoft/vcpkg.git
+        run: git clone --branch 2021.05.12 https://github.com/microsoft/vcpkg.git
       - name: Build VCPKG
         run: cd vcpkg && bootstrap-vcpkg.bat
         shell: cmd
@@ -71,7 +71,7 @@ jobs:
       - name: Create Build Dir
         run: mkdir build
       - name: Clone
-        run: git clone --branch 2020.11-1 https://github.com/microsoft/vcpkg.git
+        run: git clone --branch 2021.05.12 https://github.com/microsoft/vcpkg.git
       - name: Build VCPKG
         run: cd vcpkg && ./bootstrap-vcpkg.sh
         shell: bash
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6855388..1899092 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Create Build Dir
       run: mkdir build
     - name: Clone
-      run: git clone --branch 2020.11-1 https://github.com/microsoft/vcpkg.git
+      run: git clone --branch 2021.05.12 https://github.com/microsoft/vcpkg.git
     - name: Build VCPKG
       run: cd vcpkg && bootstrap-vcpkg.bat
       shell: cmd
@@ -54,7 +54,7 @@ jobs:
     - name: Create Build Dir
       run: mkdir build
     - name: Clone
-      run: git clone --branch 2020.11-1 https://github.com/microsoft/vcpkg.git
+      run: git clone --branch 2021.05.12 https://github.com/microsoft/vcpkg.git
     - name: Build VCPKG
       run: cd vcpkg && ./bootstrap-vcpkg.sh
       shell: bash
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/CentOS7.md b/CentOS7.md
index 79b8898..a3e0dc5 100644
--- a/CentOS7.md
+++ b/CentOS7.md
@@ -50,7 +50,7 @@ export PATH=/home/user/Downloads/git:$PATH
 Using a Terminal window with the PATH and devtoolset enabled per the Dependencies.
 
 ```
-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]
diff --git a/CentOS8.md b/CentOS8.md
index 10d97f2..2717bc4 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 -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]
diff --git a/Dockerfile b/Dockerfile
index f9f37fc..59476cd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ RUN \
 RUN git clone https://github.com/open-amt-cloud-toolkit/rpc.git
 WORKDIR /rpc
 RUN mkdir -p build
-RUN git clone --branch 2020.11-1 https://github.com/microsoft/vcpkg.git
+RUN git clone --branch 2021.05.12 https://github.com/microsoft/vcpkg.git
 RUN cd vcpkg && ./bootstrap-vcpkg.sh
 RUN ./vcpkg/vcpkg install cpprestsdk[websockets]
 
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