diff --git a/.travis.yml b/.travis.yml
index 60db604..4e5674b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,6 +39,8 @@ matrix:
         - pip3 install -U pip
         - pip3 install -U pytest
         - pip3 install codecov
+      install:
+        - pip3 install ".[test]"
       script: python3 -m pytest
       after_success: python 3 -m codecov
     - name: "Python 3.7.3 on macOS 10.14"
@@ -50,6 +52,8 @@ matrix:
         - pip3 install -U pip
         - pip3 install -U pytest
         - pip3 install codecov
+      install:
+        - pip3 install ".[test]"
       script: python3 -m pytest
       after_success: python 3 -m codecov
     #  ====== WINDOWS =========