diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 96308191b..f6c884696 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -104,7 +104,7 @@ jobs:
           packages=(
             nasm binutils coreutils libtool autoconf automake cmake make
             makedepend sdl2 lua@5.1 luarocks gettext pkg-config wget
-            gnu-getopt grep bison p7zip
+            gnu-getopt grep bison p7zip ninja
           )
           # Lua 5.1 is disabled, so we need to work around that:
           # - fetch all packages