diff --git a/gnu/packages/ibus.scm b/gnu/packages/ibus.scm
index 130940af4c..f652cca1c2 100644
--- a/gnu/packages/ibus.scm
+++ b/gnu/packages/ibus.scm
@@ -213,6 +213,7 @@ (define-public ibus-libpinyin
        ("sqlite" ,sqlite)
        ("python" ,python)
        ("pyxdg" ,python-pyxdg)
+       ("pygobject2" ,python-pygobject)
        ("gtk+" ,gtk+)))
     (native-inputs
      `(("pkg-config" ,pkg-config)