diff -pruN 1.0.0.322-3/debian/changelog 1.0.0.322-4/debian/changelog
--- 1.0.0.322-3/debian/changelog	2023-02-06 21:43:07.000000000 +0000
+++ 1.0.0.322-4/debian/changelog	2023-05-23 15:43:07.000000000 +0000
@@ -1,3 +1,11 @@
+udm (1.0.0.322-4) unstable; urgency=medium
+
+  * fix FTBFS (due to upload of new version of lazarus)
+    (the solution leaves room for improvement)
+    (Closes: #1036257)
+
+ -- Thorsten Alteholz <debian@alteholz.de>  Tue, 23 May 2023 17:43:07 +0200
+
 udm (1.0.0.322-3) unstable; urgency=medium
 
   * add patch to use correct path for file installation
diff -pruN 1.0.0.322-3/debian/rules 1.0.0.322-4/debian/rules
--- 1.0.0.322-3/debian/rules	2023-02-06 11:27:35.000000000 +0000
+++ 1.0.0.322-4/debian/rules	2023-05-23 11:48:12.000000000 +0000
@@ -15,56 +15,56 @@ override_dh_auto_build:
 	mkdir $(HOME)
 	echo "#INCLUDE /etc/fpc.cfg" > $(HOME)/.fpc.cfg
 	echo "-dLCLGTK2" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/components/lazutils/lib/x86_64-linux" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/packager/units/x86_64-linux" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/lcl/units/x86_64-linux" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/components/ideintf/units/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/components/lazcontrols/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/components/synedit/units/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/components/tachart/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/components/printers/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/components/cairocanvas/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
-	echo "-Fu/usr/lib/lazarus/2.2.4/lcl/units/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/components/lazutils/lib/x86_64-linux" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/packager/units/x86_64-linux" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/lcl/units/x86_64-linux" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/components/ideintf/units/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/components/lazcontrols/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/components/synedit/units/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/components/tachart/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/components/printers/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/components/cairocanvas/lib/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
+	echo "-Fu/usr/lib/lazarus/2.2.6/lcl/units/x86_64-linux/gtk2/" >> $(HOME)/.fpc.cfg
 	
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttcalc4.inc
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttconfig.inc
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttraster_sweep.inc
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttcalc4.inc
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttconfig.inc
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttraster_sweep.inc
 	
-	ln -s /usr/lib/lazarus/2.2.4/components/opengl/openglcontext.res
+	ln -s /usr/lib/lazarus/2.2.6/components/opengl/openglcontext.res
 	
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/ideoptionsintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/baseideintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/macrointf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/macrodefintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/compoptsintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/projectintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/newitemintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/projpackintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/buildstrconsts.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/ideexterntoolintf.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/buildintf/lazmsgworker.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/opengl/openglcontext.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/opengl/glgtkglxcontext.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/opengl/lazopenglcontext.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/easylazfreetype.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/lazfreetype.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/tttypes.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/tterror.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttcalc4.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttcalc.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttmemory.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/tttables.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttcache.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttfile.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttcmap.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttobjs.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttload.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttinterp.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttgload.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttkern.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttraster.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/ttprofile.pas
-	ln -s /usr/lib/lazarus/2.2.4/components/freetype/lazfreetypefontcollection.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/ideoptionsintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/baseideintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/macrointf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/macrodefintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/compoptsintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/projectintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/newitemintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/projpackintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/buildstrconsts.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/ideexterntoolintf.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/buildintf/lazmsgworker.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/opengl/openglcontext.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/opengl/glgtkglxcontext.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/opengl/lazopenglcontext.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/easylazfreetype.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/lazfreetype.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/tttypes.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/tterror.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttcalc4.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttcalc.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttmemory.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/tttables.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttcache.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttfile.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttcmap.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttobjs.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttload.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttinterp.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttgload.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttkern.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttraster.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/ttprofile.pas
+	ln -s /usr/lib/lazarus/2.2.6/components/freetype/lazfreetypefontcollection.pas
 
 	lazbuild --widgetset=gtk2 -B udm.lpi
 	lazbuild --widgetset=gtk2 -B udmc.lpi
