diff --git a/Gemfile.lock b/Gemfile.lock
index 6931bfa..b13a536 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,8 +10,8 @@ GEM
       eventmachine (>= 0.12.0)
       websocket-driver (>= 0.5.1)
     mustermann (1.0.3)
-    nio4r (2.5.7)
-    puma (4.3.8)
+    nio4r (2.5.8)
+    puma (4.3.9)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-protection (2.0.7)