diff --git a/.travis.yml b/.travis.yml
index 32fa6410a..3b22b44c7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -85,7 +85,7 @@ install:
 
   # Install luarocks (for the selected Lua version).
   - |
-    travis_retry wget https://github.com/luarocks/luarocks/archive/v3.0.4.tar.gz
+    travis_retry wget https://github.com/luarocks/luarocks/archive/v3.3.1.tar.gz
     tar xf v3.0.4.tar.gz -C /tmp
     (cd /tmp/luarocks-* \
       && ./configure --lua-version=$LUA --with-lua-include=${LUAINCLUDE} ${LUAROCKS_ARGS} \