diff --git a/vendor/golang.org/x/sys/unix/linux/Dockerfile b/vendor/golang.org/x/sys/unix/linux/Dockerfile
index 7fe5fc3..e9e67f8 100644
--- a/vendor/golang.org/x/sys/unix/linux/Dockerfile
+++ b/vendor/golang.org/x/sys/unix/linux/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20201014
 
 # Use the most recent ubuntu sources
 RUN echo 'deb http://en.archive.ubuntu.com/ubuntu/ artful main universe' >> /etc/apt/sources.list