diff --git a/Dockerfile b/Dockerfile
index 5e221f6..3ed20b1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,4 +12,5 @@ COPY --from=opam /home/opam/unipi.spt /unipi.spt
 COPY --from=opam /home/opam/solo5-elftool /usr/local/bin/solo5-elftool
 COPY --from=opam /home/opam/solo5-spt /usr/local/bin/solo5-spt
 COPY entrypoint.sh /entrypoint.sh
+EXPOSE 80
 ENTRYPOINT ["/entrypoint.sh", "/unipi.spt"]