diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index e23edc693e..7beabf195c 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -286,6 +286,7 @@ src_support_header_files = Split('''
     bind.h
     convert.h
     copied_ptr.h
+    CryptographicEncryption.h
     debug.h
     docstream.h
     docstring.h
@@ -331,6 +332,7 @@ src_support_header_files = Split('''
 
 src_support_files = Split('''
     convert.cpp
+    CryptographicEncryption.cpp
     debug.cpp
     docstream.cpp
     docstring.cpp
@@ -725,6 +727,7 @@ src_frontends_qt4_header_files = Split('''
     GuiDelimiter.h
     GuiDialog.h
     GuiDocument.h
+    GuiEncryptionDialog.h
     GuiErrorList.h
     GuiERT.h
     GuiExternal.h
@@ -826,6 +829,7 @@ src_frontends_qt4_files = Split('''
     GuiDelimiter.cpp
     GuiDialog.cpp
     GuiDocument.cpp
+    GuiEncryptionDialog.cpp
     GuiErrorList.cpp
     GuiERT.cpp
     GuiExternal.cpp