diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c998dcd9..c2e81cb5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -43,7 +43,7 @@ jobs:
         if: steps.cache-externals.outputs.cache-hit != 'true'
         shell: bash
         working-directory: ${{github.workspace}}
-        run: ./build_glslang_spirv_tools.sh Release
+        run: ./build_glslang_spirv_tools.sh Release 4
 
       - name: Configure SPIRV-Cross
         shell: bash
@@ -56,7 +56,7 @@ jobs:
         shell: bash
         working-directory: ${{github.workspace}}/build
         run: |
-          cmake --build . --config Release
+          cmake --build . --config Release --parallel 4
           cmake --build . --config Release --target install
 
       - uses: actions/upload-artifact@v3