diff --git a/Gemfile.lock b/Gemfile.lock
index f3608a9..cea963a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
     mini_portile2 (2.4.0)
     multi_json (1.14.1)
     multipart-post (2.1.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     nokogiri (1.10.8-x64-mingw32)
@@ -104,7 +104,7 @@ GEM
       forwardable-extended (~> 2.6)
     progressbar (1.10.1)
     public_suffix (4.0.3)
-    puma (4.3.3)
+    puma (4.3.11)
       nio4r (~> 2.0)
     rack (1.6.12)
     rack-jekyll (0.5.0)