diff --git a/Gemfile b/Gemfile
index 2b654461..76163e03 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'rails', '~> 5.2'
 gem 'coffee-rails'
 
 gem 'acts_as_list', '~> 0.9'
-gem 'aws-sdk-s3', '~> 1.17'
+gem 'aws-sdk-s3', '~> 1.18'
 gem 'bootsnap'
 gem 'bootstrap', '~> 4.1.3'
 gem 'cancancan'
diff --git a/Gemfile.lock b/Gemfile.lock
index e6708ce5..2e939528 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,15 +60,15 @@ GEM
       execjs
     aws-eventstream (1.0.1)
     aws-partitions (1.102.0)
-    aws-sdk-core (3.25.0)
+    aws-sdk-core (3.26.0)
       aws-eventstream (~> 1.0)
       aws-partitions (~> 1.0)
       aws-sigv4 (~> 1.0)
       jmespath (~> 1.0)
-    aws-sdk-kms (1.7.0)
+    aws-sdk-kms (1.8.0)
       aws-sdk-core (~> 3)
       aws-sigv4 (~> 1.0)
-    aws-sdk-s3 (1.17.1)
+    aws-sdk-s3 (1.18.0)
       aws-sdk-core (~> 3, >= 3.21.2)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.0)
@@ -335,7 +335,7 @@ PLATFORMS
 
 DEPENDENCIES
   acts_as_list (~> 0.9)
-  aws-sdk-s3 (~> 1.17)
+  aws-sdk-s3 (~> 1.18)
   better_errors
   bootsnap
   bootstrap (~> 4.1.3)