diff --git a/.travis.yml b/.travis.yml
index 7369335e..66b63cac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -46,17 +46,16 @@ matrix:
     dist: precise
   - env: BUILD_TYPE=coverage CURVE=tweetnacl GSSAPI=enabled PGM=enabled NORM=enabled TIPC=enabled IPv6=ON TLS=enabled DRAFT=enabled
     os: linux
-    dist: xenial
     addons:
       apt:
         sources:
-        - sourceline: 'deb http://download.opensuse.org/repositories/network:/messaging:/zeromq:/git-stable/xUbuntu_14.04/ ./'
-          key_url: 'http://download.opensuse.org/repositories/network:/messaging:/zeromq:/git-stable/xUbuntu_14.04/Release.key'
+        - sourceline: 'deb http://download.opensuse.org/repositories/network:/messaging:/zeromq:/git-stable/xUbuntu_18.04/ ./'
+          key_url: 'http://download.opensuse.org/repositories/network:/messaging:/zeromq:/git-stable/xUbuntu_18.04/Release.key'
         packages:
         - libkrb5-dev
         - libnorm-dev
         - libpgm-dev
-        - libgnutls-dev
+        - libgnutls28-dev
         - lcov
   - env: BUILD_TYPE=valgrind CURVE=tweetnacl DRAFT=enabled TLS=enabled
     os: linux