diff --git a/fixtures/jruby_start_command/Gemfile.lock b/fixtures/jruby_start_command/Gemfile.lock
index e22e9be..82aeb8c 100644
--- a/fixtures/jruby_start_command/Gemfile.lock
+++ b/fixtures/jruby_start_command/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    rack (1.5.2)
+    rack (1.6.12)
     rack-protection (1.5.3)
       rack
     sinatra (1.4.5)
@@ -12,6 +12,7 @@ GEM
 
 PLATFORMS
   java
+  ruby
 
 DEPENDENCIES
   sinatra