diff --git a/.travis.yml b/.travis.yml
index 433a246..697910e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,22 +3,21 @@ language: python
 # We need to run this program on different Linux/BSD distributions, each ships
 # different Python versions.
 python:
-  # CentOS 7
-  - "3.4"
-  # Debian 9
-  - "3.5"
-  # Ubuntu 18.04
-  - "3.6"
-  # Debian 10
-  - "3.7"
+  - "3.4"  # CentOS 7
+  - "3.5"  # Debian 9
+  - "3.6"  # Ubuntu 18.04
+  - "3.7"  # Debian 10
 
 addons:
   apt:
     update: true
+    packages:
+      - mlmmj
+      - uwsgi
+      - uwsgi-plugin-python
 
 before_install:
   - pip install --upgrade pip
-  - sudo apt-get install mlmmj uwsgi uwsgi-plugin-python
   - sudo mkdir -p /var/vmail
   - sudo chmod 0755 /var/vmail
   - sudo groupadd mlmmj