diff --git a/cmake/BuildPackages.cmake b/cmake/BuildPackages.cmake
index 8b3527a..ec96318 100644
--- a/cmake/BuildPackages.cmake
+++ b/cmake/BuildPackages.cmake
@@ -87,4 +87,4 @@
 #
 
 install(FILES ${CMAKE_SOURCE_DIR}/LICENCE.TXT DESTINATION ${DOC_DIR})
-install(FILES ${CMAKE_SOURCE_DIR}/README.txt DESTINATION ${DOC_DIR})
+install(FILES ${CMAKE_SOURCE_DIR}/README.rst DESTINATION ${DOC_DIR})