diff --git a/games-util/ProtonUp-Qt/ProtonUp-Qt-2.8.1.ebuild b/games-util/ProtonUp-Qt/ProtonUp-Qt-2.8.1.ebuild
index 3d95794065..325c89f294 100644
--- a/games-util/ProtonUp-Qt/ProtonUp-Qt-2.8.1.ebuild
+++ b/games-util/ProtonUp-Qt/ProtonUp-Qt-2.8.1.ebuild
@@ -9,7 +9,7 @@ PYTHON_COMPAT=( python3_{9..12} )
 
 EPYTHON=python3
 
-inherit distutils-r1 desktop
+inherit distutils-r1 desktop xdg-utils
 
 SRC_URI="https://github.com/DavidoTek/ProtonUp-Qt/archive/refs/tags/v${PV}.tar.gz"
 DESCRIPTION="Install and manage GE-Proton, Luxtorpeda & more for Steam and Wine-GE & more for Lutris with this graphical user interface."
@@ -46,3 +46,7 @@ src_install() {
     newicon -s 128 "${WORKDIR}/${P}/share/icons/hicolor/128x128/apps/net.davidotek.pupgui2.png" ProtonUp-Qt.png
     newicon -s 256 "${WORKDIR}/${P}/share/icons/hicolor/256x256/apps/net.davidotek.pupgui2.png" ProtonUp-Qt.png
 }
+
+pkg_postinst() {
+    xdg_icon_cache_update
+}
diff --git a/games-util/ProtonUp-Qt/ProtonUp-Qt-9999.ebuild b/games-util/ProtonUp-Qt/ProtonUp-Qt-9999.ebuild
index f25c104cc3..b4c620b0ac 100644
--- a/games-util/ProtonUp-Qt/ProtonUp-Qt-9999.ebuild
+++ b/games-util/ProtonUp-Qt/ProtonUp-Qt-9999.ebuild
@@ -9,7 +9,7 @@ PYTHON_COMPAT=( python3_{9..12} )
 
 EPYTHON=python3
 
-inherit git-r3 distutils-r1 desktop
+inherit git-r3 distutils-r1 desktop xdg-utils
 EGIT_REPO_URI="https://github.com/DavidoTek/ProtonUp-Qt.git"
 DESCRIPTION="Install and manage GE-Proton, Luxtorpeda & more for Steam and Wine-GE & more for Lutris with this graphical user interface."
 HOMEPAGE="https://davidotek.github.io/protonup-qt"
@@ -41,3 +41,7 @@ src_install() {
     newicon -s 128 "${WORKDIR}/${P}/share/icons/hicolor/128x128/apps/net.davidotek.pupgui2.png" ProtonUp-Qt.png
     newicon -s 256 "${WORKDIR}/${P}/share/icons/hicolor/256x256/apps/net.davidotek.pupgui2.png" ProtonUp-Qt.png
 }
+
+pkg_postinst() {
+    xdg_icon_cache_update
+}