diff --git a/windows/msvc/sources.props b/windows/msvc/sources.props
index 470b907fad..b1065bdfe4 100644
--- a/windows/msvc/sources.props
+++ b/windows/msvc/sources.props
@@ -19,6 +19,7 @@
     <ClCompile Include="$(PyBaseDir)extmod\moduhashlib.c" />
     <ClCompile Include="$(PyBaseDir)extmod\moduheapq.c" />
     <ClCompile Include="$(PyBaseDir)extmod\modujson.c" />
+    <ClCompile Include="$(PyBaseDir)extmod\modurandom.c" />
     <ClCompile Include="$(PyBaseDir)extmod\modure.c" />
     <ClCompile Include="$(PyBaseDir)extmod\moduzlib.c" />
   </ItemGroup>