diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 21330599..38f4d39c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -72,7 +72,7 @@ jobs:
       with:
         python-version: '3.11'
 
-    - run: python -m pip install 'meson~=1.4.0'
+    - run: python -m pip install 'meson~=1.4.0' 'ninja'
 
     - run: dune build --profile release
     - run: echo ':gen A64 .* cpp' | OCAMLRUNPARAM=b dune exec asli