diff --git a/3135/3/Gemfile.lock b/3135/3/Gemfile.lock
index 98b94712b2..a714b80754 100644
--- a/3135/3/Gemfile.lock
+++ b/3135/3/Gemfile.lock
@@ -19,8 +19,8 @@ GEM
       concurrent-ruby (~> 1.0)
     minitest (5.11.3)
     mustermann (1.0.3)
-    nio4r (2.4.0)
-    puma (4.0.1)
+    nio4r (2.5.8)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-protection (2.0.5)