diff --git a/.travis.yml b/.travis.yml
index c9f06610..878e6dcb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-dist: trusty
+dist: xenial
 sudo: false
 language: python
 
@@ -12,9 +12,6 @@ cache:
 addons:
   postgresql: '9.4'
 
-services:
-  - elasticsearch
-
 before_install:
   # bust only the the part of the cache that we are frequently changing
   - pip uninstall --yes gdcdictionary gdcdatamodel || true
diff --git a/requirements.txt b/requirements.txt
index f65c237f..eb1de268 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,9 +7,9 @@ SurvivalPy==1.0.2
 simplejson==3.8.1
 stopit==1.1.1
 python-Levenshtein==0.12.0
-python-keystoneclient==1.6.0
+python-keystoneclient~=1.8
 fuzzywuzzy==0.6.1
-addict==0.2.7
+addict~=2.1
 Flask==1.1.1
 Flask-Cors==1.9.0
 gen3authz==0.2.1