diff --git a/.travis.yml b/.travis.yml
index a9546b88..9de96ad4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,13 +8,16 @@ matrix:
   - os: linux
     python: 3.5
     env: PYTHON=3.5 PANDAS=0.18.1 COVERAGE='true' LINT='false'
+  # TODO: fix conda issues around namespace packages
   # https://github.com/pydata/pandas-gbq/issues/189
   # - os: linux
   #   python: 3.6
   #   env: PYTHON=3.6 PANDAS=0.20.1 COVERAGE='false' LINT='false'
   - os: linux
-    python: 3.6
-    env: PYTHON=3.6 PANDAS=MASTER COVERAGE='false' LINT='true'
+    python: 3.7
+    dist: xenial
+    sudo: true
+    env: PYTHON=3.7 PANDAS=MASTER COVERAGE='false' LINT='true'
 env:
 
 before_install:
@@ -51,7 +54,7 @@ install:
 script:
   - if [[ $PYTHON == '2.7' ]]; then nox -s test27 ; fi
   - if [[ $PYTHON == '3.5' ]]; then nox -s test35 ; fi
-  - if [[ $PYTHON == '3.6' ]] && [[ "$PANDAS" == "MASTER" ]]; then nox -s test36master ; fi
+  - if [[ $PYTHON == '3.7' ]] && [[ "$PANDAS" == "MASTER" ]]; then nox -s test37master ; fi
   - REQ="ci/requirements-${PYTHON}-${PANDAS}" ;
     if [ -f "$REQ.conda" ]; then
       pytest --quiet -m 'not local_auth' -v tests ;
diff --git a/ci/requirements-3.6-MASTER.pip b/ci/requirements-3.7-MASTER.pip
similarity index 100%
rename from ci/requirements-3.6-MASTER.pip
rename to ci/requirements-3.7-MASTER.pip
diff --git a/nox.py b/nox.py
index 9731e438..2ab1314f 100644
--- a/nox.py
+++ b/nox.py
@@ -19,9 +19,11 @@ def default(session):
     session.install("mock", "pytest", "pytest-cov")
     session.install("-e", ".")
 
-    # Skip local auth tests on Travis.
+    # Skip local auth tests on Travis
+    # ref https://github.com/pydata/pandas-gbq/issues/189
     additional_args = list(session.posargs)
     if "TRAVIS_BUILD_DIR" in os.environ:
+
         additional_args = additional_args + ["-m", "not local_auth"]
 
     session.run(
@@ -70,7 +72,6 @@ def test35(session):
     default(session)
 
 
-@nox.session
 def test36(session):
     session.interpreter = "python3.6"
     session.install(
@@ -80,13 +81,13 @@ def test36(session):
 
 
 @nox.session
-def test36master(session):
-    session.interpreter = "python3.6"
+def test37master(session):
+    session.interpreter = "python3.7"
     session.install(
         "--pre", "--upgrade", "--timeout=60", "-f", PANDAS_PRE_WHEELS, "pandas"
     )
     session.install(
-        "-r", os.path.join(".", "ci", "requirements-3.6-MASTER.pip")
+        "-r", os.path.join(".", "ci", "requirements-3.7-MASTER.pip")
     )
     default(session)