diff --git a/README.md b/README.md
index 5df06421..092cf99e 100644
--- a/README.md
+++ b/README.md
@@ -967,7 +967,8 @@ Default: `[see next line]`
       \   'cpp,objcpp' : ['->', '.', '::'],
       \   'perl' : ['->'],
       \   'php' : ['->', '::'],
-      \   'cs,java,javascript,d,vim,ruby,python,perl6,scala,vb,elixir,go' : ['.'],
+      \   'cs,java,javascript,d,vim,python,perl6,scala,vb,elixir,go' : ['.'],
+      \   'ruby' : ['.', '::'],
       \   'lua' : ['.', ':'],
       \   'erlang' : [':'],
       \ }
diff --git a/plugin/youcompleteme.vim b/plugin/youcompleteme.vim
index 9b9ad742..9f2c076b 100644
--- a/plugin/youcompleteme.vim
+++ b/plugin/youcompleteme.vim
@@ -144,7 +144,8 @@ let g:ycm_semantic_triggers =
       \   'cpp,objcpp' : ['->', '.', '::'],
       \   'perl' : ['->'],
       \   'php' : ['->', '::'],
-      \   'cs,java,javascript,d,vim,ruby,python,perl6,scala,vb,elixir,go' : ['.'],
+      \   'cs,java,javascript,d,vim,python,perl6,scala,vb,elixir,go' : ['.'],
+      \   'ruby' : ['.', '::'],
       \   'lua' : ['.', ':'],
       \   'erlang' : [':'],
       \ } )