diff --git a/tests/integration/apps/ruby/Gemfile.lock b/tests/integration/apps/ruby/Gemfile.lock
index adfc87b..82b2861 100644
--- a/tests/integration/apps/ruby/Gemfile.lock
+++ b/tests/integration/apps/ruby/Gemfile.lock
@@ -54,14 +54,14 @@ GEM
     ruby2_keywords (0.0.5)
     sinatra (3.0.5)
       mustermann (~> 3.0)
-      rack (3.0.1)
+      rack (~> 3.0.1)
       rack-protection (= 3.0.5)
       tilt (~> 2.0)
     table_print (1.5.7)
     thin (1.8.1)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
-      rack (3.0.1)
+      rack (~> 3.0.1)
     tilt (2.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)