diff --git a/Gemfile.lock b/Gemfile.lock
index ba35e33..a254bb7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
     method_source (1.1.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.7.1)
+    nio4r (2.7.3)
     oj (3.16.3)
       bigdecimal (>= 3.0)
     pry (0.14.2)
@@ -18,7 +18,7 @@ GEM
     pry-byebug (3.10.1)
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     rack (3.0.10)
     rack-protection (4.0.0)