diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index f6f924df6247f..3211795ae053c 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -58,7 +58,7 @@ jobs:
         ARCHOPTS: ${{ matrix.archopts }}
         SUBTARGET: ${{ matrix.subtarget }}
         TOOLS: 1
-      run: make -j2
+      run: make -j4
     - name: Validate
       run: ./${{ matrix.executable }} -validate
     - name: Reconcile driver list
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index 85f17967282f9..330d1e3087f6e 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -33,7 +33,7 @@ jobs:
       env:
         USE_LIBSDL: 1
         TOOLS: 1
-      run: make -j2
+      run: make -j3
     - name: Validate
       run: ./mame -validate
     - uses: actions/upload-artifact@master
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index c7d394838f1f9..05a577995f4c6 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -56,7 +56,7 @@ jobs:
         ARCHOPTS: "-fuse-ld=lld"
         SUBTARGET: ${{ matrix.subtarget }}
         TOOLS: 1
-      run: make -j2
+      run: make -j4
     - name: Validate
       run: ./${{ matrix.executable }}.exe -validate
     - uses: actions/upload-artifact@master