diff --git a/.travis.yml b/.travis.yml
index 542684c7..1f364ca4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,6 +34,11 @@ matrix:
     services:  docker
     language: c
     compiler: gcc
+  - os: linux
+    env:  DOCKER_IMAGE=ubuntu:18.04
+    services:  docker
+    language: c
+    compiler: gcc
   - os: linux
     env:  DOCKER_IMAGE=alpine:latest
     services:  docker