diff --git a/build.mill b/build.mill
index 4f4b6a9..dac6ae8 100644
--- a/build.mill
+++ b/build.mill
@@ -48,7 +48,7 @@ object castor extends Module {
       moduleDir / s"src-$platformSegment"
     )
 
-    def mvnDeps = Seq(mvn"com.lihaoyi::sourcecode::0.4.1")
+    def mvnDeps = Seq(mvn"com.lihaoyi::sourcecode::0.4.4")
   }
   trait ActorTestModule extends ScalaModule with TestModule.Utest with PlatformModule {
     def sources = Task.Sources(