diff --git a/unit/unit.vcproj b/unit/unit.vcproj
index 9b1342cd..e0e0ed0d 100644
--- a/unit/unit.vcproj
+++ b/unit/unit.vcproj
@@ -602,6 +602,10 @@
 						RelativePath="..\src\phreeqcpp\dense.cpp"
 						>
 					</File>
+					<File
+						RelativePath="..\src\phreeqcpp\Dictionary.cpp"
+						>
+					</File>
 					<File
 						RelativePath="..\src\phreeqcpp\dumper.cpp"
 						>
@@ -882,6 +886,10 @@
 						RelativePath="..\src\phreeqcpp\SelectedOutput.cpp"
 						>
 					</File>
+					<File
+						RelativePath="..\src\phreeqcpp\Serializer.cxx"
+						>
+					</File>
 					<File
 						RelativePath="..\src\phreeqcpp\sit.cpp"
 						>
@@ -1127,6 +1135,10 @@
 						RelativePath="..\src\phreeqcpp\dense.h"
 						>
 					</File>
+					<File
+						RelativePath="..\src\phreeqcpp\Dictionary.h"
+						>
+					</File>
 					<File
 						RelativePath="..\src\phreeqcpp\dumper.h"
 						>
@@ -1243,6 +1255,10 @@
 						RelativePath="..\src\phreeqcpp\SelectedOutput.h"
 						>
 					</File>
+					<File
+						RelativePath="..\src\phreeqcpp\Serializer.h"
+						>
+					</File>
 					<File
 						RelativePath="..\src\phreeqcpp\smalldense.h"
 						>