diff --git a/Gemfile.lock b/Gemfile.lock
index b177e2c..ef626bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -141,7 +141,7 @@ GEM
     minitest (5.11.3)
     multi_json (1.13.1)
     netrc (0.11.0)
-    nio4r (2.3.1)
+    nio4r (2.5.7)
     nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
@@ -160,7 +160,7 @@ GEM
     orm_adapter (0.5.0)
     pg (1.1.4)
     public_suffix (3.0.3)
-    puma (4.3.1)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.0.8)
     rack-test (1.1.0)