diff --git a/Gemfile b/Gemfile
index 80cfd18..35c97f0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,7 @@ gem "marcel", "~> 0.3.3"
 gem "omniauth", "~> 1.9"
 gem "omniauth-google-oauth2", "~> 0.8.0"
 gem "pg", "~> 0.18.4"
-gem "puma", "~> 3.4"
+gem "puma", "~> 3.12"
 gem "recipient_interceptor", "~> 0.2.0"
 gem "rolify", "~> 5.2"
 gem "sidekiq", "~> 5.2", ">= 5.2.5"
diff --git a/Gemfile.lock b/Gemfile.lock
index 8578398..6856614 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.1)
-    puma (3.12.1)
+    puma (3.12.6)
     rack (2.0.7)
     rack-protection (2.0.7)
       rack
@@ -383,7 +383,7 @@ DEPENDENCIES
   omniauth-google-oauth2 (~> 0.8.0)
   pg (~> 0.18.4)
   pry-rails
-  puma (~> 3.4)
+  puma (~> 3.12)
   rails (= 6.0.0)
   rails-controller-testing (~> 1.0, >= 1.0.4)
   rake