diff --git a/sinatra-hello/gems.locked b/sinatra-hello/gems.locked
index acddc8f..c9a839f 100644
--- a/sinatra-hello/gems.locked
+++ b/sinatra-hello/gems.locked
@@ -3,8 +3,8 @@ GEM
   specs:
     mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.5.8)
-    puma (5.6.4)
+    nio4r (2.5.9)
+    puma (5.6.7)
       nio4r (~> 2.0)
     rack (2.2.6.4)
     rack-protection (2.2.3)