diff --git a/Dockerfile b/Dockerfile
index 1c4ec18..d745e70 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -63,5 +63,5 @@ RUN \
 COPY root/ /
 
 # ports and volumes
-EXPOSE 9091 51413
+EXPOSE 9091 51413/tcp 51413/udp
 VOLUME /config /downloads /watch
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 3fb3939..ff303c4 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -62,6 +62,5 @@ RUN \
 COPY root/ /
 
 # ports and volumes
-EXPOSE 9091 51413
+EXPOSE 9091 51413/tcp 51413/udp
 VOLUME /config /downloads /watch
-
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index f4b3a38..b55149a 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -62,6 +62,5 @@ RUN \
 COPY root/ /
 
 # ports and volumes
-EXPOSE 9091 51413
+EXPOSE 9091 51413/tcp 51413/udp
 VOLUME /config /downloads /watch
-