diff --git a/Gemfile b/Gemfile
index 137e72c4..17b7205c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '3.1.2'
 gem 'rails', '~> 7.0'
 gem 'soup', '~> 1.0'
 gem 'kramdown', '~> 2.4'
-gem 'aws-sdk-s3', '~> 1.136'
+gem 'aws-sdk-s3', '~> 1.143'
 gem 'bootsnap', '>= 1.1.0', require: false
 gem 'puma', '~> 6'
 gem 'rollbar'
diff --git a/Gemfile.lock b/Gemfile.lock
index 488c83b7..cbb64ce7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,21 +68,21 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
-    aws-eventstream (1.2.0)
-    aws-partitions (1.828.0)
-    aws-sdk-core (3.183.1)
-      aws-eventstream (~> 1, >= 1.0.2)
+    aws-eventstream (1.3.0)
+    aws-partitions (1.883.0)
+    aws-sdk-core (3.191.0)
+      aws-eventstream (~> 1, >= 1.3.0)
       aws-partitions (~> 1, >= 1.651.0)
-      aws-sigv4 (~> 1.5)
+      aws-sigv4 (~> 1.8)
       jmespath (~> 1, >= 1.6.1)
-    aws-sdk-kms (1.71.0)
-      aws-sdk-core (~> 3, >= 3.177.0)
+    aws-sdk-kms (1.77.0)
+      aws-sdk-core (~> 3, >= 3.191.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.136.0)
-      aws-sdk-core (~> 3, >= 3.181.0)
+    aws-sdk-s3 (1.143.0)
+      aws-sdk-core (~> 3, >= 3.191.0)
       aws-sdk-kms (~> 1)
-      aws-sigv4 (~> 1.6)
-    aws-sigv4 (1.6.0)
+      aws-sigv4 (~> 1.8)
+    aws-sigv4 (1.8.0)
       aws-eventstream (~> 1, >= 1.0.2)
     bootsnap (1.17.1)
       msgpack (~> 1.2)
@@ -245,7 +245,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  aws-sdk-s3 (~> 1.136)
+  aws-sdk-s3 (~> 1.143)
   bootsnap (>= 1.1.0)
   capybara (~> 3.39)
   dotenv-rails (~> 2.8)