diff --git a/Dockerfile b/Dockerfile
index f312416..2681bc1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM		debian:stretch-slim
+FROM		debian:trixie-slim
 
 
 ENV 		DEBIAN_FRONTEND noninteractive
diff --git a/iptables.sh b/iptables.sh
index 3791b7e..66ad908 100644
--- a/iptables.sh
+++ b/iptables.sh
@@ -35,7 +35,7 @@ fi
 echo -N ${chain}
 
 # Allow source IPs
-for addr in $(curl https://www.cloudflare.com/ips-v4); do
+for addr in $(curl https://www.cloudflare.com/ips-v4/); do
   echo -A ${chain} -s ${addr} -j RETURN -m comment --comment "static-entry"
 done