diff --git a/Gemfile b/Gemfile
index ce86370..32b2297 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'aws-sdk-ses', '~> 1.40'
-gem 'bootsnap', '~> 1.16.0', require: false
+gem 'bootsnap', '~> 1.18.0', require: false
 gem 'figaro', '~> 1.2.0'
 gem 'jbuilder'
 gem 'mimemagic', '~> 0.4.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4911ef1..27d4211 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.2.4)
       aws-eventstream (~> 1, >= 1.0.2)
-    bootsnap (1.16.0)
+    bootsnap (1.18.3)
       msgpack (~> 1.2)
     builder (3.2.4)
     capybara (3.35.3)
@@ -135,7 +135,7 @@ GEM
     mini_mime (1.1.1)
     mini_portile2 (2.8.0)
     minitest (5.14.4)
-    msgpack (1.6.0)
+    msgpack (1.7.2)
     nio4r (2.5.9)
     nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
@@ -245,7 +245,7 @@ PLATFORMS
 DEPENDENCIES
   apparition!
   aws-sdk-ses (~> 1.40)
-  bootsnap (~> 1.16.0)
+  bootsnap (~> 1.18.0)
   capybara
   figaro (~> 1.2.0)
   jbuilder