diff --git a/.travis.yml b/.travis.yml
index 33a5a17..ba1848f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -91,7 +91,7 @@ install:
 
 before_script:
   # Output software versions
-  - cat /etc/postgresql/$PG/main/pg_hba.conf
+  - sudo cat /etc/postgresql/$PG/main/pg_hba.conf
   - clickhouse-client --query "SELECT version();"
   - psql -tc 'SHOW server_version' -U postgres