diff --git a/app-i18n/ibus-hangul/ibus-hangul-1.5.0-r1.ebuild b/app-i18n/ibus-hangul/ibus-hangul-1.5.0-r1.ebuild
index 2b33b5a4f3b3f..7b61f434638f2 100644
--- a/app-i18n/ibus-hangul/ibus-hangul-1.5.0-r1.ebuild
+++ b/app-i18n/ibus-hangul/ibus-hangul-1.5.0-r1.ebuild
@@ -4,7 +4,7 @@
 EAPI="6"
 PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
 
-inherit python-single-r1
+inherit gnome2-utils python-single-r1
 
 DESCRIPTION="Hangul engine for IBus"
 HOMEPAGE="https://github.com/libhangul/ibus-hangul/wiki"
@@ -35,3 +35,11 @@ src_prepare() {
 src_configure() {
 	econf $(use_enable nls)
 }
+
+pkg_postinst() {
+	gnome2_icon_cache_update
+}
+
+pkg_postrm() {
+	gnome2_icon_cache_update
+}
diff --git a/app-i18n/ibus-hangul/ibus-hangul-1.5.1.ebuild b/app-i18n/ibus-hangul/ibus-hangul-1.5.1.ebuild
index 382fe19f7996d..0c0401cb2c0bb 100644
--- a/app-i18n/ibus-hangul/ibus-hangul-1.5.1.ebuild
+++ b/app-i18n/ibus-hangul/ibus-hangul-1.5.1.ebuild
@@ -4,7 +4,7 @@
 EAPI="6"
 PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
 
-inherit python-single-r1
+inherit gnome2-utils python-single-r1
 
 DESCRIPTION="Hangul engine for IBus"
 HOMEPAGE="https://github.com/libhangul/ibus-hangul/wiki"
@@ -31,3 +31,11 @@ src_configure() {
 		$(use_enable nls) \
 		--with-python=${EPYTHON}
 }
+
+pkg_postinst() {
+	gnome2_icon_cache_update
+}
+
+pkg_postrm() {
+	gnome2_icon_cache_update
+}