diff --git a/.github/buildkit.toml b/.github/buildkit.toml
new file mode 100644
index 0000000..ff6039f
--- /dev/null
+++ b/.github/buildkit.toml
@@ -0,0 +1,2 @@
+[worker.oci]
+  max-parallelism = 4
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 63414e3..efed780 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -75,6 +75,8 @@ jobs:
         uses: actions/checkout@v2
       - name: Install buildx
         uses: docker/setup-buildx-action@v1
+        with:
+          config: .github/buildkit.toml
       - name: Generate Dockerfile
         run: ./generate.sh ${{ matrix.target }} ${{ matrix.variant }}
       - name: Login to Docker
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index e3ce358..885dd34 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -22,6 +22,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - name: Install buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          config: .github/buildkit.toml
       - name: Build Image
         run: ./makeimage.sh ${{ matrix.target }} ${{ matrix.variant }}
       - name: Build ffmpeg