diff --git a/.gitlab-ci/test-msys2.sh b/.gitlab-ci/test-msys2.sh
index d8fdc66b7..3a58f0bb7 100755
--- a/.gitlab-ci/test-msys2.sh
+++ b/.gitlab-ci/test-msys2.sh
@@ -34,6 +34,11 @@ PATH="$(cygpath "$USERPROFILE")/.local/bin:$HOME/.local/bin:$PATH"
 DIR="$(pwd)"
 export PATH CFLAGS
 
+mkdir -p gobject-introspection
+git clone --branch "${GOBJECT_INTROSPECTION_TAG}" https://gitlab.gnome.org/GNOME/gobject-introspection.git gobject-introspection
+meson gobject-introspection gobject-introspection/build --prefix "/c/msys64/${MSYSTEM}/usr"
+meson install -C gobject-introspection/build
+
 # FIXME: We can’t use ${MESON_COMMON_OPTIONS} here because this script installs
 # Meson 1.3. See the comment in .gitlab-ci.yml about the same problem on
 # FreeBSD.