diff --git a/tests/apps/ruby/Gemfile b/tests/apps/ruby/Gemfile
index 606b6a4297a..f375eb04e76 100644
--- a/tests/apps/ruby/Gemfile
+++ b/tests/apps/ruby/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
 ruby '2.6.8'
 
-gem 'sinatra', '~>2.2.0'
+gem 'sinatra', '~>2.2.1'
 gem 'thin'
diff --git a/tests/apps/ruby/Gemfile.lock b/tests/apps/ruby/Gemfile.lock
index 7b0185fe62d..292d7d5406c 100644
--- a/tests/apps/ruby/Gemfile.lock
+++ b/tests/apps/ruby/Gemfile.lock
@@ -3,16 +3,16 @@ GEM
   specs:
     daemons (1.4.0)
     eventmachine (1.2.7)
-    mustermann (1.1.1)
+    mustermann (1.1.2)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.3.1)
-    rack-protection (2.2.0)
+    rack (2.2.4)
+    rack-protection (2.2.1)
       rack
     ruby2_keywords (0.0.5)
-    sinatra (2.2.0)
+    sinatra (2.2.1)
       mustermann (~> 1.0)
       rack (~> 2.2)
-      rack-protection (= 2.2.0)
+      rack-protection (= 2.2.1)
       tilt (~> 2.0)
     thin (1.8.1)
       daemons (~> 1.0, >= 1.0.9)
@@ -24,5 +24,5 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  sinatra (~> 2.2.0)
+  sinatra (~> 2.2.1)
   thin