diff --git a/image/Dockerfile b/image/Dockerfile
index b17a765..7e074d5 100644
--- a/image/Dockerfile
+++ b/image/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=ubuntu:18.04
+ARG BASE_IMAGE=ubuntu:20.04
 FROM $BASE_IMAGE
 
 ARG QEMU_ARCH