diff --git a/script/init.sh b/script/init.sh
index 013f883..5225de0 100755
--- a/script/init.sh
+++ b/script/init.sh
@@ -13,6 +13,17 @@ chmod 600 .ssh/proxy
 echo "$SCHEMATIC_KEY" > .ssh/id_rsa
 ssh-keyscan github.com >> .ssh/known_hosts
 
+# Make certain files read-only
+
+touch banned-ips.json
+touch banned-players.json
+touch ops.json
+touch whitelist.json
+chmod 400 banned-ips.json
+chmod 400 banned-players.json
+chmod 400 ops.json
+chmod 400 whitelist.json
+
 # Run scripts for starting the Minecraft server, reverse proxy and schematic
 # checker in the background