diff --git a/Gemfile.lock b/Gemfile.lock
index c049a4dd..62fd53e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,12 +149,12 @@ GEM
     multipart-post (2.0.0)
     net-http-persistent (2.9.4)
     net-http-pipeline (1.0.1)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     pg (0.19.0)
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    puma (4.3.5)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (1.6.12)
     rack-protection (1.5.5)