diff --git a/CMakeScripts/InstallMSYS2.cmake b/CMakeScripts/InstallMSYS2.cmake
index 4b926c3139784477ae335ea82f7347e9a27f6a90..278a28ae19e5c0f55939dd1ff66ab6d5a1058879 100644
--- a/CMakeScripts/InstallMSYS2.cmake
+++ b/CMakeScripts/InstallMSYS2.cmake
@@ -270,6 +270,7 @@ if(WIN32)
     ${MINGW_LIB}/girepository-1.0/GModule-2.0.typelib
     ${MINGW_LIB}/girepository-1.0/GObject-2.0.typelib
     ${MINGW_LIB}/girepository-1.0/Gtk-4.0.typelib
+    ${MINGW_LIB}/girepository-1.0/GtkSource-5.typelib
     ${MINGW_LIB}/girepository-1.0/HarfBuzz-0.0.typelib
     ${MINGW_LIB}/girepository-1.0/Pango-1.0.typelib
     ${MINGW_LIB}/girepository-1.0/PangoCairo-1.0.typelib