.bumpversion.cfg in http_health_check-0.2.1 vs .bumpversion.cfg in http_health_check-0.3.0

@@ -1,10 +1,14 @@
 [bumpversion]
-current_version = 0.2.1
+current_version = 0.3.0
 commit = True
 tag = True
 tag_name = {new_version}
 message = bump version {current_version} → {new_version}
 
 [bumpversion:file:lib/http_health_check/version.rb]
 
 [bumpversion:file:README.md]
+
+[bumpversion:file:Gemfile.lock]
+search = http_health_check ({current_version})
+replace = http_health_check ({new_version})