diff --git a/Dockerfile b/Dockerfile
index 3799529..737ff1d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:14.04
+FROM ubuntu:23.04
 
 RUN apt-get update && apt-get install -y python3-pip python3-nose ack-grep vim python3-lxml python-lxml python-nose python-pip