diff --git a/.travis.yml b/.travis.yml
index 8eed4836..776e3af2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,8 @@
 # yaml merge-expand .travis.yml exp.yml && diff -b -u .travis.yml exp.yml
 
 
-# bionic = 2018
-dist: bionic
+# focal = 2020
+dist: focal
 
 language: minimal
 
@@ -16,7 +16,7 @@ git:
   quiet: true
 
 before_install:
-  - sudo apt-get -y install shellcheck pylint
+  - sudo apt-get -y install shellcheck pylint python3-numpy python3-scipy
 
 jobs:
   include: