diff --git a/.github/workflows/ubuntu-build.yml b/.github/workflows/ubuntu-build.yml
index 7ba78278..3fdb3c68 100644
--- a/.github/workflows/ubuntu-build.yml
+++ b/.github/workflows/ubuntu-build.yml
@@ -24,6 +24,8 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: include-what-you-use/include-what-you-use
+      - name: Install ninja-build tool
+        uses: seanmiddleditch/gha-setup-ninja@v5
       - name: Build include-what-you-use
         run: |
           mkdir build