diff --git a/Gemfile b/Gemfile
index 4e60e4e..8b60c29 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@
 source "https://rubygems.org"
 
 gem "rails",                "6.0.0"
-gem "puma",                 "4.3.3"
+gem "puma",                 "4.3.11"
 gem "jbuilder",             "2.9.1"
 gem "pg",                   "1.1.4"
 gem "redis-rails",          "5.0.2"
diff --git a/Gemfile.lock b/Gemfile.lock
index f766e72..a2143a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,7 +126,7 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     overcommit (0.49.1)
@@ -146,7 +146,7 @@ GEM
     pry-remote (0.1.8)
       pry (~> 0.9)
       slop (~> 3.0)
-    puma (4.3.3)
+    puma (4.3.11)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-mini-profiler (1.0.2)
@@ -305,7 +305,7 @@ DEPENDENCIES
   pry-nav
   pry-rails
   pry-remote
-  puma (= 4.3.3)
+  puma (= 4.3.11)
   rack-mini-profiler
   rails (= 6.0.0)
   redis-rails (= 5.0.2)