diff --git a/docker/coturn/alpine/Dockerfile b/docker/coturn/alpine/Dockerfile
index 67914bf..48f137e 100644
--- a/docker/coturn/alpine/Dockerfile
+++ b/docker/coturn/alpine/Dockerfile
@@ -206,7 +206,7 @@ RUN apk add --no-cache libcap \
 
 USER nobody:nogroup
 
-EXPOSE 3478 3478/udp
+EXPOSE 3478 3478/udp 5349 5349/udp
 
 VOLUME ["/var/lib/coturn"]
 
diff --git a/docker/coturn/debian/Dockerfile b/docker/coturn/debian/Dockerfile
index 547dd65..9b3f8e9 100644
--- a/docker/coturn/debian/Dockerfile
+++ b/docker/coturn/debian/Dockerfile
@@ -214,7 +214,7 @@ RUN apt-get update \
 
 USER nobody:nogroup
 
-EXPOSE 3478 3478/udp
+EXPOSE 3478 3478/udp 5349 5349/udp
 
 VOLUME ["/var/lib/coturn"]