diff --git a/configure b/configure
index ea52feb75d3..1abd0b12530 100755
--- a/configure
+++ b/configure
@@ -1175,6 +1175,7 @@ enable_ext_ms_win_ntuser_rectangle_ext_l1_1_0
 enable_ext_ms_win_ntuser_uicontext_ext_l1_1_0
 enable_ext_ms_win_ntuser_window_l1_1_1
 enable_ext_ms_win_rtcore_gdi_object_l1_1_0
+enable_ext_ms_win_rtcore_gdi_rgn_l1_1_0
 enable_ext_ms_win_rtcore_ntuser_dpi_l1_1_0
 enable_ext_ms_win_rtcore_ntuser_sysparams_l1_1_0
 enable_faultrep
@@ -17944,6 +17945,7 @@ wine_fn_config_dll ext-ms-win-ntuser-rectangle-ext-l1-1-0 enable_ext_ms_win_ntus
 wine_fn_config_dll ext-ms-win-ntuser-uicontext-ext-l1-1-0 enable_ext_ms_win_ntuser_uicontext_ext_l1_1_0
 wine_fn_config_dll ext-ms-win-ntuser-window-l1-1-1 enable_ext_ms_win_ntuser_window_l1_1_1
 wine_fn_config_dll ext-ms-win-rtcore-gdi-object-l1-1-0 enable_ext_ms_win_rtcore_gdi_object_l1_1_0
+wine_fn_config_dll ext-ms-win-rtcore-gdi-rgn-l1-1-0 enable_ext_ms_win_rtcore_gdi_rgn_l1_1_0
 wine_fn_config_dll ext-ms-win-rtcore-ntuser-dpi-l1-1-0 enable_ext_ms_win_rtcore_ntuser_dpi_l1_1_0
 wine_fn_config_dll ext-ms-win-rtcore-ntuser-sysparams-l1-1-0 enable_ext_ms_win_rtcore_ntuser_sysparams_l1_1_0
 wine_fn_config_dll faultrep enable_faultrep implib
diff --git a/configure.ac b/configure.ac
index 398e8e3a7ad..100fa351740 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3017,6 +3017,7 @@ WINE_CONFIG_DLL(ext-ms-win-ntuser-rectangle-ext-l1-1-0)
 WINE_CONFIG_DLL(ext-ms-win-ntuser-uicontext-ext-l1-1-0)
 WINE_CONFIG_DLL(ext-ms-win-ntuser-window-l1-1-1)
 WINE_CONFIG_DLL(ext-ms-win-rtcore-gdi-object-l1-1-0)
+WINE_CONFIG_DLL(ext-ms-win-rtcore-gdi-rgn-l1-1-0)
 WINE_CONFIG_DLL(ext-ms-win-rtcore-ntuser-dpi-l1-1-0)
 WINE_CONFIG_DLL(ext-ms-win-rtcore-ntuser-sysparams-l1-1-0)
 WINE_CONFIG_DLL(faultrep,,[implib])
diff --git a/dlls/ext-ms-win-rtcore-gdi-rgn-l1-1-0/Makefile.in b/dlls/ext-ms-win-rtcore-gdi-rgn-l1-1-0/Makefile.in
new file mode 100644
index 00000000000..72a632e8e4e
--- /dev/null
+++ b/dlls/ext-ms-win-rtcore-gdi-rgn-l1-1-0/Makefile.in
@@ -0,0 +1 @@
+MODULE    = ext-ms-win-rtcore-gdi-rgn-l1-1-0.dll
diff --git a/dlls/ext-ms-win-rtcore-gdi-rgn-l1-1-0/ext-ms-win-rtcore-gdi-rgn-l1-1-0.spec b/dlls/ext-ms-win-rtcore-gdi-rgn-l1-1-0/ext-ms-win-rtcore-gdi-rgn-l1-1-0.spec
new file mode 100644
index 00000000000..c716305a288
--- /dev/null
+++ b/dlls/ext-ms-win-rtcore-gdi-rgn-l1-1-0/ext-ms-win-rtcore-gdi-rgn-l1-1-0.spec
@@ -0,0 +1,16 @@
+@ stdcall CombineRgn(long long long long) gdi32.CombineRgn
+@ stdcall CreatePolygonRgn(ptr long long) gdi32.CreatePolygonRgn
+@ stdcall CreateRectRgn(long long long long) gdi32.CreateRectRgn
+@ stdcall CreateRectRgnIndirect(ptr) gdi32.CreateRectRgnIndirect
+@ stdcall EqualRgn(long long) gdi32.EqualRgn
+@ stdcall ExtCreateRegion(ptr long ptr) gdi32.ExtCreateRegion
+@ stdcall FillRgn(long long long) gdi32.FillRgn
+@ stdcall GetRegionData(long long ptr) gdi32.GetRegionData
+@ stdcall GetRgnBox(long ptr) gdi32.GetRgnBox
+@ stdcall IntersectClipRect(long long long long long) gdi32.IntersectClipRect
+@ stdcall OffsetRgn(long long long) gdi32.OffsetRgn
+@ stdcall RectInRegion(long ptr) gdi32.RectInRegion
+@ stdcall SelectClipRgn(long long) gdi32.SelectClipRgn
+@ stdcall SetMetaRgn(long) gdi32.SetMetaRgn
+@ stdcall SetPolyFillMode(long long) gdi32.SetPolyFillMode
+@ stdcall SetRectRgn(long long long long long) gdi32.SetRectRgn
diff --git a/tools/make_specfiles b/tools/make_specfiles
index 5e5b7baab27..56d5a89e35e 100755
--- a/tools/make_specfiles
+++ b/tools/make_specfiles
@@ -298,6 +298,7 @@ my @dll_groups =
   "ext-ms-win-gdi-draw-l1-1-1",
   "ext-ms-win-gdi-render-l1-1-0",
   "ext-ms-win-rtcore-gdi-object-l1-1-0",
+  "ext-ms-win-rtcore-gdi-rgn-l1-1-0",
  ],
  [
   "combase",