diff --git a/Gemfile b/Gemfile
index 35682619a..fdcf8e37b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,7 +43,7 @@ gem "omniauth-twitter", "~> 1.4.0"
 gem "paranoia", "~> 2.4.3"
 gem "pg", "~> 1.2.3"
 gem "pg_search", "~> 2.3.5"
-gem "puma", "~> 4.3.11"
+gem "puma", "~> 4.3.12"
 gem "recipient_interceptor", "~> 0.3.0"
 gem "redcarpet", "~> 3.5.1"
 gem "responders", "~> 3.0.1"
diff --git a/Gemfile.lock b/Gemfile.lock
index a1b9af40a..d2e0b8aa3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -457,7 +457,7 @@ GEM
       pronto (~> 0.11.0)
       scss_lint (~> 0.43, >= 0.43.0)
     public_suffix (4.0.6)
-    puma (4.3.11)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -752,7 +752,7 @@ DEPENDENCIES
   pronto-eslint (~> 0.11.0)
   pronto-rubocop (~> 0.11.1)
   pronto-scss (~> 0.11.0)
-  puma (~> 4.3.11)
+  puma (~> 4.3.12)
   rails (= 5.2.7)
   rails-assets-leaflet!
   rails-assets-markdown-it (~> 9.0.1)!