diff --git a/Gemfile b/Gemfile
index 9767a60b..2c7089da 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem "optimism", "~> 0.3.4"
 gem "pagy"
 gem "pg", ">= 0.18", "< 2.0"
 gem "pg_search", "~> 2.3", ">= 2.3.2"
-gem "puma", "~> 4.1"
+gem "puma", "~> 4.3"
 gem "pundit", "~> 2.1"
 gem "rails", github: "rails/rails", branch: "6-0-stable"
 gem "redis"
diff --git a/Gemfile.lock b/Gemfile.lock
index a9fe709c..2032098a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,7 +178,7 @@ GEM
       ruby-progressbar
     msgpack (1.3.3)
     nested_scaffold (1.1.0)
-    nio4r (2.5.4)
+    nio4r (2.5.8)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     optimism (0.3.5)
@@ -195,7 +195,7 @@ GEM
       activerecord (>= 5.2)
       activesupport (>= 5.2)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (4.3.9)
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
@@ -333,7 +333,7 @@ DEPENDENCIES
   pagy
   pg (>= 0.18, < 2.0)
   pg_search (~> 2.3, >= 2.3.2)
-  puma (~> 4.1)
+  puma (~> 4.3)
   pundit (~> 2.1)
   rails!
   rails-erd