diff --git a/ibus-anthy.spec b/ibus-anthy.spec
index 27899eb..6faf88b 100644
--- a/ibus-anthy.spec
+++ b/ibus-anthy.spec
@@ -18,7 +18,7 @@
 
 Name:           ibus-anthy
 Version:        1.5.12
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        The Anthy engine for IBus input platform
 License:        GPLv2+
 URL:            https://github.com/ibus/ibus/wiki
@@ -120,6 +120,11 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/libanthygobject-%{sub_version}.la
 desktop-file-validate \
     $RPM_BUILD_ROOT%{_datadir}/applications/ibus-setup-anthy.desktop
 
+%posttrans
+/sbin/ldconfig
+[ -x %{_bindir}/ibus ] && \
+  %{_bindir}/ibus write-cache --system &>/dev/null || :
+
 %files -f %{name}.lang
 %doc AUTHORS COPYING README
 # dir {python2_sitearch}/ibus
@@ -150,6 +155,9 @@ desktop-file-validate \
 %{_datadir}/installed-tests/%{name}
 
 %changelog
+* Wed Apr 21 2021 Takao Fujiwara <tfujiwar@redhat.com> - 1.5.12-6
+- Move post to posttrans
+
 * Tue Apr 20 2021 Takao Fujiwara <tfujiwar@redhat.com> - 1.5.12-5
 - Delete postscripts