diff --git a/Gemfile b/Gemfile
index b0f22a213..7a8857902 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'rails', '~> 5.2.4.4'
 # Use mysql as the database for Active Record
 gem 'mysql2', '>= 0.4.4', '< 0.6.0'
 # Use Puma as the app server
-gem 'puma', '~> 5.2'
+gem 'puma', '~> 5.3'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 6.0'
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index 55ffca0e7..81aa465e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -232,7 +232,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.1104)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.3)
     minitest (5.14.4)
@@ -285,7 +287,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.6)
-    puma (5.2.2)
+    puma (5.3.1)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.5.2)
@@ -339,7 +341,7 @@ GEM
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rexml (3.2.4)
+    rexml (3.2.5)
     roadie (4.0.0)
       css_parser (~> 1.4)
       nokogiri (~> 1.8)
@@ -487,7 +489,7 @@ DEPENDENCIES
   mysql2 (>= 0.4.4, < 0.6.0)
   omniauth-mlh (~> 0.4.2)
   omniauth-rails_csrf_protection
-  puma (~> 5.2)
+  puma (~> 5.3)
   rack-cors
   rails (~> 5.2.4.4)
   rails-controller-testing
diff --git a/vendor/cache/mimemagic-0.3.10.gem b/vendor/cache/mimemagic-0.3.10.gem
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index 000000000..8b26454ce
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diff --git a/vendor/cache/mimemagic-0.3.5.gem b/vendor/cache/mimemagic-0.3.5.gem
deleted file mode 100644
index 34c9cd99b..000000000
Binary files a/vendor/cache/mimemagic-0.3.5.gem and /dev/null differ
diff --git a/vendor/cache/puma-5.2.2.gem b/vendor/cache/puma-5.2.2.gem
deleted file mode 100644
index 3b817f8c9..000000000
Binary files a/vendor/cache/puma-5.2.2.gem and /dev/null differ
diff --git a/vendor/cache/puma-5.3.1.gem b/vendor/cache/puma-5.3.1.gem
new file mode 100644
index 000000000..27456adf6
Binary files /dev/null and b/vendor/cache/puma-5.3.1.gem differ
diff --git a/vendor/cache/rexml-3.2.4.gem b/vendor/cache/rexml-3.2.4.gem
deleted file mode 100644
index 95bedb1d8..000000000
Binary files a/vendor/cache/rexml-3.2.4.gem and /dev/null differ
diff --git a/vendor/cache/rexml-3.2.5.gem b/vendor/cache/rexml-3.2.5.gem
new file mode 100644
index 000000000..5680fec4c
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