diff --git a/dev-scheme/racket/racket-7.7-r1.ebuild b/dev-scheme/racket/racket-7.7-r1.ebuild
index cd8c8e5..3ea73df 100644
--- a/dev-scheme/racket/racket-7.7-r1.ebuild
+++ b/dev-scheme/racket/racket-7.7-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -46,9 +46,7 @@ RDEPEND="
 	readline? (
 		dev-libs/libedit
 	)
-	X? (
-		x11-libs/gtk+[X]
-	)
+	X? ( x11-libs/gtk+:3[X]	)
 "
 DEPEND="
 	${RDEPEND}
@@ -131,6 +129,7 @@ src_install() {
 
 	find "${ED}" \( -name "*.a" -o -name "*.la" \) -delete || die
 
+	# Create missing desktop files
 	if use X
 	then
 		make_desktop_entry "gracket" "GRacket" \
@@ -143,9 +142,9 @@ src_install() {
 }
 
 pkg_postinst() {
-	use X && xdg_desktop_database_update
+	use X && xdg_pkg_postinst
 }
 
 pkg_postrm() {
-	use X && xdg_desktop_database_update
+	use X && xdg_pkg_postrm
 }
diff --git a/dev-scheme/racket/racket-7.8-r1.ebuild b/dev-scheme/racket/racket-7.8-r1.ebuild
index cd8c8e5..3ea73df 100644
--- a/dev-scheme/racket/racket-7.8-r1.ebuild
+++ b/dev-scheme/racket/racket-7.8-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -46,9 +46,7 @@ RDEPEND="
 	readline? (
 		dev-libs/libedit
 	)
-	X? (
-		x11-libs/gtk+[X]
-	)
+	X? ( x11-libs/gtk+:3[X]	)
 "
 DEPEND="
 	${RDEPEND}
@@ -131,6 +129,7 @@ src_install() {
 
 	find "${ED}" \( -name "*.a" -o -name "*.la" \) -delete || die
 
+	# Create missing desktop files
 	if use X
 	then
 		make_desktop_entry "gracket" "GRacket" \
@@ -143,9 +142,9 @@ src_install() {
 }
 
 pkg_postinst() {
-	use X && xdg_desktop_database_update
+	use X && xdg_pkg_postinst
 }
 
 pkg_postrm() {
-	use X && xdg_desktop_database_update
+	use X && xdg_pkg_postrm
 }