diff --git a/Gemfile b/Gemfile
index 0f3e6658..e30cc4a7 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', '~> 1.33'
 gem 'bootsnap'
 gem 'bootstrap', '~> 4.1.3'
 gem 'cancancan'
diff --git a/Gemfile.lock b/Gemfile.lock
index dcc514c2..fb791fd1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,21 +58,22 @@ GEM
     ast (2.4.0)
     autoprefixer-rails (9.0.0)
       execjs
-    aws-eventstream (1.0.1)
-    aws-partitions (1.102.0)
-    aws-sdk-core (3.25.0)
-      aws-eventstream (~> 1.0)
+    aws-eventstream (1.0.2)
+    aws-partitions (1.144.0)
+    aws-sdk-core (3.48.0)
+      aws-eventstream (~> 1.0, >= 1.0.2)
       aws-partitions (~> 1.0)
-      aws-sigv4 (~> 1.0)
+      aws-sigv4 (~> 1.1)
       jmespath (~> 1.0)
-    aws-sdk-kms (1.7.0)
-      aws-sdk-core (~> 3)
-      aws-sigv4 (~> 1.0)
-    aws-sdk-s3 (1.17.1)
-      aws-sdk-core (~> 3, >= 3.21.2)
+    aws-sdk-kms (1.15.0)
+      aws-sdk-core (~> 3, >= 3.48.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-s3 (1.33.0)
+      aws-sdk-core (~> 3, >= 3.48.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.0)
-    aws-sigv4 (1.0.3)
+    aws-sigv4 (1.1.0)
+      aws-eventstream (~> 1.0, >= 1.0.2)
     bcrypt (3.1.12)
     better_errors (2.5.0)
       coderay (>= 1.0.0)
@@ -335,7 +336,7 @@ PLATFORMS
 
 DEPENDENCIES
   acts_as_list (~> 0.9)
-  aws-sdk-s3 (~> 1.17)
+  aws-sdk-s3 (~> 1.33)
   better_errors
   bootsnap
   bootstrap (~> 4.1.3)