diff --git a/Gemfile.lock b/Gemfile.lock
index 54ed2f7..13a3e49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,8 +4,8 @@ GEM
     base64 (0.2.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.7.1)
-    puma (6.4.2)
+    nio4r (2.7.3)
+    puma (6.4.3)
       nio4r (~> 2.0)
     rack (3.0.10)
     rack-protection (4.0.0)