diff --git a/.travis.yml b/.travis.yml
index 1bdb62b211..261a424383 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,6 +23,7 @@ addons:
       - libnss3
 
 before_install:
+  - cat /etc/apt/sources.list
   - sudo add-apt-repository --yes "deb http://archive.ubuntu.com/ubuntu jammy main universe"
   - sudo apt-get update
   - sudo apt-get install -y libnss3