diff --git a/PCbuild/pythoncore.vcproj b/PCbuild/pythoncore.vcproj
index 6078c8663a4..ac3dc267e02 100644
--- a/PCbuild/pythoncore.vcproj
+++ b/PCbuild/pythoncore.vcproj
@@ -682,6 +682,10 @@
 				RelativePath="..\Include\cobject.h"
 				>
 			</File>
+			<File
+				RelativePath="..\Include\pycapsule.h"
+				>
+			</File>
 			<File
 				RelativePath="..\Include\code.h"
 				>
@@ -1430,6 +1434,10 @@
 				RelativePath="..\Objects\cobject.c"
 				>
 			</File>
+			<File
+				RelativePath="..\Objects\capsule.c"
+				>
+			</File>
 			<File
 				RelativePath="..\Objects\codeobject.c"
 				>