diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index 11d695342f..2b2c2fbfa9 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -2693,6 +2693,7 @@ lib_lyx2lyx_files = Split('''
     lyx_1_3.py
     lyx_1_4.py
     lyx_1_5.py
+    lyx_1_6.py
     parser_tools.py
     profiling.py
     test_parser_tools.py