diff --git a/ci/build.sh b/ci/build.sh
index e9792359..18ddd8ec 100755
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -10,7 +10,7 @@ pkg_install sudo which attr fuse \
     libubsan libasan libtsan elfutils-libelf-devel libdwarf-devel \
     elfutils git gettext-devel libappstream-glib-devel \
     /usr/bin/{update-mime-database,update-desktop-database,gtk-update-icon-cache}
-pkg_install_testing ostree-devel ostree
+pkg_install_testing ostree-devel ostree libyaml-devel
 pkg_install_if_os fedora gjs parallel clang
 pkg_install_builddeps flatpak