diff --git a/.travis.yml b/.travis.yml
index 3544fe76..d59acda0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,41 +1,42 @@
 language: python
 sudo: false
 cache: pip
 env:
   global: TEST_RUNNER=unittest PYTHONHASHSEED=random
 matrix:
   include:
     - python: "2.7"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "pypy"
       env: TEST_REQUIRE="fastimport"
     - python: "3.3"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.4"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.5"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.6"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.5-dev"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.6"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.6-dev"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.7-dev"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
-script:
-  - pip install pip --upgrade
-  - pip install $TEST_REQUIRE
-  - pip install coverage codecov
 
+install:
+  - travis_retry pip install -U pip coverage codecov $TEST_REQUIRE
+
+script:
   # Test without c extensions
   - python -m coverage run -p --source=dulwich -m $TEST_RUNNER dulwich.tests.test_suite
 
   # Test with c extensions
   - python setup.py build_ext -i
   - python -m coverage run -p --source=dulwich -m $TEST_RUNNER dulwich.tests.test_suite
+
 after_success:
   - python -m coverage combine
   - codecov