diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b0013f6..4ac118f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -31,9 +31,8 @@ jobs:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v1
-      # - run : sudo apt-get update && sudo apt-get install -y xorg-dev mesa-utils xvfb libgl1 freeglut3-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev
-      # - run :  julia --color=yes --project=wgpucore -e 'using Pkg; pkg"dev . WGPUNative"'
-      - run : julia --color=yes --project=wgpucore -e 'using Pkg; pkg"dev . WGPUNative"'
+      - run : sudo apt-get update && sudo apt-get install -y xorg-dev mesa-utils xvfb libgl1 freeglut3-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev
+      - run : DISPLAY=:0 xvfb-run -s '-screen 0 1024x768x24' julia --color=yes --project=wgpucore -e 'using Pkg; pkg"dev . WGPUNative"'
       - run : DISPLAY=:0 xvfb-run -s '-screen 0 1024x768x24' julia --color=yes --project=wgpucore -e 'using Pkg; Pkg.test("WGPUCore", coverage=true)'
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v2