EXTRA_DIST fixes
diff --git a/lib/rb/Makefile.am b/lib/rb/Makefile.am
index fd5218f..64ff7b1 100644
--- a/lib/rb/Makefile.am
+++ b/lib/rb/Makefile.am
@@ -52,9 +52,13 @@
 	$(MAKE) $(AM_MAKEFLAGS) distdir-am
 
 EXTRA_DIST = \
+	.rubocop.yml \
 	coding_standards.md \
 	Rakefile \
 	Gemfile \
+	Gemfile.linters \
+	Gemfile.lock \
+	test/fuzz/.gitignore \
 	thrift.gemspec \
 	lib \
 	ext \