Gemfile in neo4j-5.0.15 vs Gemfile in neo4j-5.1.0.rc.1

@@ -1,9 +1,9 @@
 source 'http://rubygems.org'
 
 gemspec
 
-# gem 'neo4j-core', github: 'neo4jrb/neo4j-core', branch: 'master'
+gem 'neo4j-core', github: 'neo4jrb/neo4j-core', branch: '5.1.x'
 # gem 'neo4j-core', path: '../neo4j-core'
 
 # gem 'active_attr', github: 'neo4jrb/active_attr', branch: 'performance'
 # gem 'active_attr', path: '../active_attr'