diff --git a/vcl/Library_vclplug_gtk.mk b/vcl/Library_vclplug_gtk.mk
index 67247b73d642..67d405d4c8fa 100644
--- a/vcl/Library_vclplug_gtk.mk
+++ b/vcl/Library_vclplug_gtk.mk
@@ -58,10 +58,12 @@ $(eval $(call gb_Library_use_externals,vclplug_gtk,\
 	boost_headers \
 	cairo \
 	dbus \
-	gio \
 	epoxy \
-	gtk \
+	gio \
+	graphite \
 	gthread \
+	gtk \
+	harfbuzz \
 	icuuc \
 ))
 
diff --git a/vcl/Library_vclplug_gtk3.mk b/vcl/Library_vclplug_gtk3.mk
index 1457c1abcf9f..5ecf70bb4d0f 100644
--- a/vcl/Library_vclplug_gtk3.mk
+++ b/vcl/Library_vclplug_gtk3.mk
@@ -77,6 +77,8 @@ $(eval $(call gb_Library_use_externals,vclplug_gtk3,\
 	boost_headers \
 	epoxy \
 	dbus \
+	graphite \
+	harfbuzz \
 ))
 
 $(eval $(call gb_Library_add_exception_objects,vclplug_gtk3,\
diff --git a/vcl/Library_vclplug_gtk3_kde5.mk b/vcl/Library_vclplug_gtk3_kde5.mk
index eaff74cad35c..e2e7bf8a9616 100644
--- a/vcl/Library_vclplug_gtk3_kde5.mk
+++ b/vcl/Library_vclplug_gtk3_kde5.mk
@@ -79,6 +79,8 @@ $(eval $(call gb_Library_use_externals,vclplug_gtk3_kde5,\
 	boost_filesystem \
 	epoxy \
 	dbus \
+	graphite \
+	harfbuzz \
 ))
 
 $(eval $(call gb_Library_add_exception_objects,vclplug_gtk3_kde5,\