Gemfile in duckdb-0.8.1 vs Gemfile in duckdb-0.8.1.1

@@ -5,5 +5,9 @@
 
 if /(linux|darwin)/ =~ RUBY_PLATFORM
   gem 'benchmark-ips'
   gem 'stackprof'
 end
+
+if /linux/ =~ RUBY_PLATFORM
+  gem 'ruby_memcheck'
+end