diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a6d40dd245..5bbf1e1504 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -49,7 +49,7 @@ jobs:
 
     - name: Install build dependencies - Linux
       if: ${{ runner.os == 'Linux' }}
-      run: apt-get update && apt-get install -y git python3 make gcc g++
+      run: apt-get update && apt-get install -y git python3 make gcc g++ libx11-dev
 
     - name: Printing Python info to terminal for debugging purposes - Linux
       if: ${{ runner.os == 'Linux' }}