diff -Nru qt515webengine-5.15.2/debian/changelog qt515webengine-5.15.2/debian/changelog
--- qt515webengine-5.15.2/debian/changelog	2020-11-29 20:40:02.000000000 +0000
+++ qt515webengine-5.15.2/debian/changelog	2020-11-29 20:40:02.000000000 +0000
@@ -1,4 +1,4 @@
-qt515webengine (5.15.2-1basyskom1) bionic; urgency=low
+qt515webengine (5.15.2-1basyskom3) bionic; urgency=low
 
   * Initial package
 
diff -Nru qt515webengine-5.15.2/debian/control qt515webengine-5.15.2/debian/control
--- qt515webengine-5.15.2/debian/control	2020-11-29 20:40:02.000000000 +0000
+++ qt515webengine-5.15.2/debian/control	2020-11-29 20:40:02.000000000 +0000
@@ -58,7 +58,9 @@
                libjsoncpp-dev,
                libwebp-dev,
                ninja-build,
-               libx11-xcb-dev
+               libx11-xcb-dev,
+               libxkbcommon-dev,
+               libxkbcommon-x11-dev               
 
 Standards-Version: 3.9.2
 Package: qt515webengine
diff -Nru qt515webengine-5.15.2/debian/rules qt515webengine-5.15.2/debian/rules
--- qt515webengine-5.15.2/debian/rules	2020-08-04 05:42:38.000000000 +0000
+++ qt515webengine-5.15.2/debian/rules	2020-11-29 20:40:02.000000000 +0000
@@ -8,6 +8,8 @@
 
 DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 
+export NINJAFLAGS = -v -j2
+
 %:
 ifeq (x86_64-linux-gnu,$(DEB_HOST_MULTIARCH)):
 	dh $@ --warn-missing --dbg-package=qt515webengine-dbg
@@ -18,8 +20,14 @@
 override_dh_auto_configure:
 	qmake
 
+	# Make ld not cache the symbol tables of input files in memory to avoid memory exhaustion during the linking phase.
+	echo "QMAKE_LFLAGS += -Wl,--no-keep-memory" >> .qmake.conf
+
+	# Run qmake again now with the proper values.
+	qmake
+
 override_dh_auto_build:
-	make -j$(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS))) # CXX='g++ -g'
+	make -j2 # CXX='g++ -g'
 
 override_dh_auto_install:
 	make install INSTALL_ROOT=$(PWD)/debian/tmp