diff --git a/.travis.yml b/.travis.yml
index e91e8dd..c5f7989 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,6 @@
+---
+dist: focal
+services: docker
 language: java
 after_success:
-  - bash <(curl -s https://codecov.io/bash)
+  - 'bash <(curl -s https://codecov.io/bash)'