diff --git a/.travis.yml b/.travis.yml
index 8335a6ee92bef..9be4291d10874 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,3 @@
-sudo: false
 language: python
 python: 3.5
 
diff --git a/ci/deps/azure-36-locale.yaml b/ci/deps/azure-36-locale.yaml
index 8f8273f57c3fe..7e78e3bf6f373 100644
--- a/ci/deps/azure-36-locale.yaml
+++ b/ci/deps/azure-36-locale.yaml
@@ -7,7 +7,6 @@ dependencies:
   - bottleneck=1.2.*
   - cython=0.28.2
   - lxml
-  - matplotlib=2.2.2
   - numpy=1.14.*
   - openpyxl=2.4.8
   - python-dateutil
diff --git a/ci/deps/travis-36-cov.yaml b/ci/deps/travis-36-cov.yaml
index 6f85c32b9a915..b0b2d6ae77db8 100644
--- a/ci/deps/travis-36-cov.yaml
+++ b/ci/deps/travis-36-cov.yaml
@@ -11,7 +11,6 @@ dependencies:
   - gcsfs
   - geopandas
   - html5lib
-  - matplotlib
   - moto
   - nomkl
   - numexpr
@@ -39,8 +38,8 @@ dependencies:
   - xlsxwriter
   - xlwt
   # universal
-  - pytest>=4.0.2
-  - pytest-xdist
+  - pytest>=4.0.2,<5.0.0
+  - pytest-xdist==1.28.0
   - pytest-cov
   - pytest-mock
   - hypothesis>=3.58.0
diff --git a/ci/deps/travis-36-locale.yaml b/ci/deps/travis-36-locale.yaml
index 0d9a760914dab..52664c30a98d9 100644
--- a/ci/deps/travis-36-locale.yaml
+++ b/ci/deps/travis-36-locale.yaml
@@ -35,7 +35,7 @@ dependencies:
   - xlwt
   # universal
   - pytest>=4.0.2
-  - pytest-xdist
+  - pytest-xdist>=1.29.0
   - pytest-mock
   - pip
   - pip: