diff --git a/.cvsignore b/.cvsignore
index 8876e1f015..ac1a9db525 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -22,6 +22,7 @@ config.log
 config.status
 configure
 foo.rb
+libruby.so.*
 miniruby
 miniruby.elhash
 miniruby.elhash2