diff --git a/.travis.yml b/.travis.yml
index 8532f43..214d465 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ language: c
 install:
   - sudo apt-get install luarocks
   - sudo luarocks install busted
+  - sudo luarocks install 30log
   - sudo luarocks make rockspecs/largparse-lrcompat-1.rockspec
 
 script: "busted spec"