diff --git a/Dockerfile b/Dockerfile
index 9d0d442..a97e302 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,7 @@ RUN \
 WORKDIR /app
 COPY LICENSE.md .
 COPY twine-upload.sh .
+COPY print-hash.py .
 
 RUN chmod +x twine-upload.sh
 ENTRYPOINT ["/app/twine-upload.sh"]