diff --git a/Gemfile.lock b/Gemfile.lock
index 57ea43a..c91f811 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,9 +52,9 @@ GEM
       method_source (~> 1.0)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack (3.0.4.2)
+    rack-test (2.0.2)
+      rack (>= 1.3)
     rake (13.0.3)
     rexml (3.2.5)
     rspec (3.10.0)
@@ -92,7 +92,7 @@ DEPENDENCIES
   capybara (= 2.5.0)
   jurnal_api!
   pry
-  rack (= 2.2.3)
+  rack (= 3.0.4.2)
   rake (~> 13.0)
   rspec (~> 3.0)
   shoulda-context (= 1.2.2)
diff --git a/jurnal-api.gemspec b/jurnal-api.gemspec
index 6683550..7a73799 100644
--- a/jurnal-api.gemspec
+++ b/jurnal-api.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "byebug",           "11.1.3"
   spec.add_development_dependency "capybara",         "2.5.0"
   spec.add_development_dependency "pry"  
-  spec.add_development_dependency "rack",             "2.2.3"
+  spec.add_development_dependency "rack",             "3.0.4.2"
   spec.add_development_dependency "rake",             "~> 13.0"
   spec.add_development_dependency "rspec",            "~> 3.0"
   spec.add_development_dependency "shoulda-context",  "1.2.2"