diff --git a/dwg2dxf-api/Dockerfile b/dwg2dxf-api/Dockerfile
index 6a7c913..e2a2373 100644
--- a/dwg2dxf-api/Dockerfile
+++ b/dwg2dxf-api/Dockerfile
@@ -1,5 +1,8 @@
 FROM ubuntu:24.04
 
+# Enable universe repo (libredwg-tools lives there)
+RUN sed -i 's/Components: main/Components: main universe/' /etc/apt/sources.list.d/ubuntu.sources
+
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         python3 python3-pip libredwg-tools && \