diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 88e2ee579..32677b392 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -497,6 +497,15 @@ jobs:
       - name: 'Fix ffmpeg installation'
         run: choco install ffmpeg
 
+      - name: Install cmake 3.21 and set path 
+        run: |
+          Invoke-WebRequest -Uri "https://github.com/Kitware/CMake/releases/download/v3.21.3/cmake-3.21.3-windows-x86_64.zip" -OutFile "cmake.zip"
+          Expand-Archive "cmake.zip" -DestinationPath "C:\Program Files\cmake-3.21"
+          $newPath = "C:\Program Files\cmake-3.21\cmake-3.21.3-windows-x86_64\bin;" + $env:PATH
+          echo "PATH=$newPath" >> $GITHUB_ENV
+          Remove-Item cmake.zip
+        shell: powershell
+
       - name: 'Setup plugings'
         run: |
           git stash
diff --git a/CI/windows/02_build_obs.ps1 b/CI/windows/02_build_obs.ps1
index ae4a67bfa..13e1afdc3 100644
--- a/CI/windows/02_build_obs.ps1
+++ b/CI/windows/02_build_obs.ps1
@@ -92,9 +92,6 @@ function Configure-OBS {
         "-DCOPIED_DEPENDENCIES=OFF",
         "-DCOPY_DEPENDENCIES=ON",
         "-DBUILD_FOR_DISTRIBUTION=ON",
-        "-DFFMPEG_DIR:PATH=C:\ProgramData\chocolatey\lib\ffmpeg",
-        "-DAVCODEC_INCLUDE_DIR:PATH=C:\ProgramData\chocolatey\lib\ffmpeg\include",
-         "-DAVCODEC_LIBRARY:FILEPATH=C:\ProgramData\chocolatey\lib\ffmpeg\lib\avcodec.lib",
         "$(if (Test-Path Env:CI) { "-DOBS_BUILD_NUMBER=${Env:GITHUB_RUN_ID}" })",
         "$(if (Test-Path Variable:$Quiet) { "-Wno-deprecated -Wno-dev --log-level=ERROR" })",
         "-Dlibwebrtc_DIR=`"C:/Program Files/libwebrtc/cmake`"",