diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 49811f9..d1edc53 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: dependencies
       run: |
-           sudo apt install gcc-10 g++-10 libgcc-10-dev libunwind8-dev
+           sudo apt install gcc-10 g++-10 libgcc-10-dev libunwind8-dev ninja-build
            pip3 install colorama
     - name: libdwarf
       run: |
@@ -34,6 +34,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: dependencies
       run: |
+           brew install ninja
            python3 -m venv env
            env/bin/pip install colorama
     - name: libdwarf
@@ -76,7 +77,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: dependencies
       run: |
-           sudo apt install gcc-10 g++-10 libgcc-10-dev libunwind8-dev
+           sudo apt install gcc-10 g++-10 libgcc-10-dev libunwind8-dev ninja-build
            pip3 install colorama
     - name: libdwarf
       run: |
@@ -96,6 +97,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: dependencies
       run: |
+           brew install ninja
            python3 -m venv env
            env/bin/pip install colorama
     - name: libdwarf
diff --git a/ci/build-in-all-configs.py b/ci/build-in-all-configs.py
index f44f011..3f31c20 100644
--- a/ci/build-in-all-configs.py
+++ b/ci/build-in-all-configs.py
@@ -24,6 +24,7 @@ def build(runner: MatrixRunner):
         succeeded = runner.run_command(
             "cmake",
             "..",
+            "-GNinja",
             f"-DCMAKE_BUILD_TYPE={matrix['target']}",
             f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
@@ -36,7 +37,7 @@ def build(runner: MatrixRunner):
             "-DCPPTRACE_BACKTRACE_PATH=/usr/lib/gcc/x86_64-linux-gnu/10/include/backtrace.h",
         )
         if succeeded:
-            succeeded = runner.run_command("make", "-j", "VERBOSE=1")
+            succeeded = runner.run_command("ninja")
     else:
         args = [
             "cmake",
@@ -78,6 +79,7 @@ def build_full_or_auto(runner: MatrixRunner):
         args = [
             "cmake",
             "..",
+            "-GNinja",
             f"-DCMAKE_BUILD_TYPE={matrix['target']}",
             f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
@@ -90,7 +92,7 @@ def build_full_or_auto(runner: MatrixRunner):
             args.append(f"{matrix['config']}")
         succeeded = runner.run_command(*args)
         if succeeded:
-            succeeded = runner.run_command("make", "-j")
+            succeeded = runner.run_command("ninja")
     else:
         args = [
             "cmake",