diff --git a/Gemfile b/Gemfile
index 2dc3a243a..51ce0d46d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -44,7 +44,7 @@ gem "paperclip", "~> 6.1.0"
 gem "paranoia", "~> 2.4.2"
 gem "pg", "~> 0.21.0"
 gem "pg_search", "~> 2.3.0"
-gem "puma", "~> 4.3.5"
+gem "puma", "~> 4.3.6"
 gem "recipient_interceptor", "~> 0.2.0"
 gem "redcarpet", "~> 3.4.0"
 gem "responders", "~> 2.4.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 2ced53fa6..c9a91955c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -363,7 +363,7 @@ GEM
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
     newrelic_rpm (4.1.0.333)
-    nio4r (2.5.2)
+    nio4r (2.5.4)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     nori (2.6.0)
@@ -414,7 +414,7 @@ GEM
       activerecord (>= 4.2)
       activesupport (>= 4.2)
     public_suffix (4.0.6)
-    puma (4.3.5)
+    puma (4.3.6)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-accept (0.4.5)
@@ -692,7 +692,7 @@ DEPENDENCIES
   paranoia (~> 2.4.2)
   pg (~> 0.21.0)
   pg_search (~> 2.3.0)
-  puma (~> 4.3.5)
+  puma (~> 4.3.6)
   rails (= 5.1.7)
   rails-assets-leaflet!
   rails-assets-markdown-it (~> 9.0.1)!