diff --git a/alpine/Dockerfile.bios b/alpine/Dockerfile.bios
index 583536f89..c8f10fea1 100644
--- a/alpine/Dockerfile.bios
+++ b/alpine/Dockerfile.bios
@@ -1,5 +1,5 @@
 # Create a legacy BIOS bootable ISO
-FROM ubuntu:15.10
+FROM ubuntu:16.04
 
 ENV ARCH=x86_64
 
diff --git a/alpine/kernel/Dockerfile b/alpine/kernel/Dockerfile
index aa7bc456c..ea8a39ab3 100644
--- a/alpine/kernel/Dockerfile
+++ b/alpine/kernel/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:15.10
+FROM ubuntu:16.04
 
 ARG KERNEL_VERSION=4.4.19
 ARG ARCH=x86_64