diff --git a/Dockerfile b/Dockerfile
index d033635..6a03970 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:22.04
 RUN apt-get update && apt-get install -y curl
 RUN curl -L -o /opa https://openpolicyagent.org/downloads/latest/opa_linux_amd64
 RUN chmod 755 /opa