diff --git a/windows/msvc/grib_api_lib/grib_api_lib.vcproj b/windows/msvc/grib_api_lib/grib_api_lib.vcproj
index 08fb7c542..f9d24d92a 100644
--- a/windows/msvc/grib_api_lib/grib_api_lib.vcproj
+++ b/windows/msvc/grib_api_lib/grib_api_lib.vcproj
@@ -796,6 +796,10 @@
 				RelativePath="..\..\..\src\grib_accessor_class_gen.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\src\grib_accessor_class_getenv.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\src\grib_accessor_class_global_gaussian.c"
 				>
@@ -1156,6 +1160,10 @@
 				RelativePath="..\..\..\src\grib_dumper_class_default.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\src\grib_dumper_class_json.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\src\grib_dumper_class_keys.c"
 				>