diff --git a/.github/workflows/build-test-new.yaml b/.github/workflows/build-test-new.yaml
index 7c11214..a3133ab 100644
--- a/.github/workflows/build-test-new.yaml
+++ b/.github/workflows/build-test-new.yaml
@@ -37,7 +37,7 @@ jobs:
         if: matrix.platform == 'ubuntu-latest'
         run: |
           sudo apt-get update
-          sudo apt-get install -y build-essential ninja-build git curl libexpat-dev libxerces-c-dev
+          sudo apt-get install -y build-essential git curl libexpat-dev libxerces-c-dev
           pip install cmake
 
       - name: Check Cache
@@ -53,12 +53,17 @@ jobs:
         if: steps.cache.outputs.cache-hit != 'true'
         run: >
           git clone https://github.com/Geant4/geant4.git geant4 --depth 1
-          --branch v${{ matrix.geant4-version }} cmake -G Ninja -B geant4/build
+          --branch v${{ matrix.geant4-version }}
+
+          cmake -B geant4/build
             -S geant4 -DCMAKE_INSTALL_PREFIX=geant4-install
             -DCMAKE_CXX_STANDARD=20 -DCMAKE_BUILD_TYPE=Release
             -DGEANT4_USE_GDML=ON -DGEANT4_INSTALL_EXAMPLES=OFF
             -DGEANT4_INSTALL_DATA=OFF -DGEANT4_BUILD_TLS_MODEL=global-dynamic
-          cmake --build geant4/build -j$(nproc) --target install rm -rf geant4
+
+          cmake --build geant4/build -j$(nproc) --target install
+
+          rm -rf geant4
 
       - name: Cache Geant4 Installation
         if: steps.cache.outputs.cache-hit != 'true'