diff --git a/examples/ruby-api/Gemfile.lock b/examples/ruby-api/Gemfile.lock
index 4ea940ff..9ac6091a 100644
--- a/examples/ruby-api/Gemfile.lock
+++ b/examples/ruby-api/Gemfile.lock
@@ -8,8 +8,8 @@ GEM
     logger (1.7.0)
     mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.7.3)
-    puma (5.6.9)
+    nio4r (2.7.5)
+    puma (7.2.1)
       nio4r (~> 2.0)
     rack (3.2.6)
     rack-protection (4.2.0)