diff --git a/.travis.yml b/.travis.yml
index 807b14eb0..fb00763d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -76,6 +76,9 @@ install:
   - sudo luarocks install lgi
 
   # Install busted for "make check".
+  # Use luassert 1.7.6 (1.7.7 causes infinite loop).
+  # Ref: https://github.com/Olivine-Labs/luassert/issues/118
+  - sudo luarocks install luassert 1.7.6
   - sudo luarocks install busted
 
   # Install ldoc for building docs.