diff --git a/jellyfin/Dockerfile b/jellyfin/Dockerfile
index 4e857a88c..f0ea5711c 100644
--- a/jellyfin/Dockerfile
+++ b/jellyfin/Dockerfile
@@ -25,7 +25,8 @@ FROM ${BUILD_FROM}
 # Set S6 wait time
 ENV S6_CMD_WAIT_FOR_SERVICES=0 \
     S6_CMD_WAIT_FOR_SERVICES_MAXTIME=0 \
-    S6_SERVICES_GRACETIME=0
+    S6_SERVICES_GRACETIME=0 \
+    S6_READ_ONLY_ROOT=1
 
 # Allow UID and GID setting
 RUN \