diff --git a/Dockerfile b/Dockerfile
index f468fb5..614ae60 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -64,7 +64,7 @@ RUN \
     && apt-get clean -y
 
 ARG MDC_SOURCE_VERSION
-ENV MDC_SOURCE_VERSION=${MDC_SOURCE_VERSION:-b69467f28862dec255773eb6980a170162465da6}
+ENV MDC_SOURCE_VERSION=${MDC_SOURCE_VERSION:-c3e5fdb09fefa11c614e519786e942b08b2a8fb0}
 
 ARG DLIB_WHL_DIR
 COPY --from=dlib-bin-builder $DLIB_WHL_DIR $DLIB_WHL_DIR