diff --git a/.travis.yml b/.travis.yml
index 0a3d465..0174e25 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,13 @@
+dist: bionic
 language: python
+
 python:
   - "3.6"
-  - "3.7-dev"
+  - "3.7"
+  - "3.8"  
+
+cache: pip
+
 matrix:
   fast_finish: true
 before_install: