diff --git a/.travis.yml b/.travis.yml
index 0d86e491..23b6871b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,9 +13,9 @@ branches:
 jobs:
   exclude:
   - python: "3.6"
-    env: DEP=
+    env: DEP=[dev]
   - python: "3.7"
-    env: DEP=
+    env: DEP=[dev]
 before_install:
   - wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
   - chmod +x miniconda.sh