diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c3b42802..9f56c6817 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -214,7 +214,11 @@ if (BUILD_DOCS)
     "${CMAKE_CURRENT_SOURCE_DIR}/scripts/*.lua"
     "${CMAKE_CURRENT_SOURCE_DIR}/scripts/*.rb"
   )
-  set(SPHINX_DEPS ${SPHINX_DEPS} ${SPHINX_SCRIPT_DEPS} LICENSE.rst NEWS.rst)
+  set(SPHINX_DEPS ${SPHINX_DEPS} ${SPHINX_SCRIPT_DEPS}
+    "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.rst"
+    "${CMAKE_CURRENT_SOURCE_DIR}/NEWS.rst"
+    "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt"
+  )
 
   set(SPHINX_OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/docs/html/.buildinfo")
   set_source_files_properties(${SPHINX_OUTPUT} PROPERTIES GENERATED TRUE)