diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index df5f86d..efd5f0c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,11 +1,12 @@
 name: CI
 on: [push, pull_request]
-
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
+    - name: Prepare FFMpeg
+      run: apt-get update && apt-get install -y ffmpeg
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with: