diff --git a/README.md b/README.md
index c5f6559..3a7b02c 100644
--- a/README.md
+++ b/README.md
@@ -23,8 +23,8 @@ Name     | Box                          | CPU | RAM   | Disk   |
 ---------|------------------------------|-----|-------|--------|
 ubuntu1  | ubuntu/xenial64              | 1   | 1GB   | 10GB*  |
 ubuntu2  | ubuntu/xenial64              | 1   | 1GB   | 10GB*  |
-ubuntu3  | ubuntu/xenial64              | 1   | 1GB   | 10GB*  |
-ubuntu4  | ubuntu/xenial64              | 1   | 1GB   | 10GB*  |
+ubuntu3  | ubuntu/bionic64              | 1   | 1GB   | 10GB*  |
+ubuntu4  | ubuntu/bionic64              | 1   | 1GB   | 10GB*  |
 freebsd5 | freebsd/FreeBSD-11.1-RELEASE | 1   | 512MB | 21GB*  |
 freebsd6 | freebsd/FreeBSD-11.1-RELEASE | 1   | 512MB | 21GB*  |
 
@@ -36,7 +36,7 @@ Name    | Box             | CPU | RAM | Disk   |
 --------|-----------------|-----|-----|--------|
 ubuntu1 | ubuntu/xenial64 | 1   | 1GB | 10GB*  |
 ubuntu2 | ubuntu/xenial64 | 1   | 4GB | 120GB* |
-ubuntu3 | ubuntu/xenial64 | 1   | 1GB | 10GB*  |
+ubuntu3 | ubuntu/bionic64 | 1   | 1GB | 10GB*  |
 
 ---
 ###### _*Disk size shown is the maximum capacity. Disk grows with usage. ~1GB of disk space required per OS install._