diff --git a/Sources/LanguageServerProtocolTransport/CMakeLists.txt b/Sources/LanguageServerProtocolTransport/CMakeLists.txt
index 834f034fe..930c69d5d 100644
--- a/Sources/LanguageServerProtocolTransport/CMakeLists.txt
+++ b/Sources/LanguageServerProtocolTransport/CMakeLists.txt
@@ -1,6 +1,7 @@
 add_library(LanguageServerProtocolTransport STATIC
   BuildServerMessageDependencyTracker.swift
   DisableSigpipe.swift
+  DocumentURI+CustomLogStringConvertible.swift
   JSONRPCConnection.swift
   LocalConnection.swift
   LoggableMessageTypes.swift