diff --git a/Gemfile.lock b/Gemfile.lock
index ec146e7..253460d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,8 +32,8 @@ GEM
     multi_xml (0.6.0)
     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-protection (2.2.3)
     rack (2.2.6.4)