diff --git a/.dvmrc b/.dvmrc
index 73462a5..f225a78 100644
--- a/.dvmrc
+++ b/.dvmrc
@@ -1 +1 @@
-2.5.1
+2.5.2
diff --git a/Dockerfile b/Dockerfile
index 9cf4c20..e047175 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM denoland/deno:ubuntu-2.5.1
+FROM denoland/deno:ubuntu-2.5.2
 
 EXPOSE 8000
 
@@ -14,6 +14,11 @@ RUN rm -fr node_modules _fresh
 # Build fresh
 RUN deno task build
 
+RUN chown -R deno:deno /app
+
+# Prefer not to run as root.
+USER deno
+
 # Compile the main app so that it doesn't need to be compiled each startup/entry.
 RUN deno cache _fresh/server.js