diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dcc97e6..031e45d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -64,6 +64,7 @@ jobs:
       run: |
         set -ex
         sudo apt -q update
+        sudo apt install -qy ninja-build
         sudo ./scripts/install-deps.sh
     - name: "Install GCC 13"
       run: sudo apt install g++-13