diff --git a/Gemfile b/Gemfile
index 9e5955e0b8..82e44eaebc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ gem 'haml-rails', '~>2.0'
 gem 'pg', '~> 1.5'
 gem 'pghero'
 
-gem 'aws-sdk-core', '< 3.216.0', require: false # TODO: https://github.com/mastodon/mastodon/pull/34173#issuecomment-2733378873
+gem 'aws-sdk-core', '< 3.222.3', require: false # TODO: https://github.com/mastodon/mastodon/pull/34173#issuecomment-2733378873
 gem 'aws-sdk-s3', '~> 1.123', require: false
 gem 'blurhash', '~> 0.1'
 gem 'fog-core', '<= 2.6.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index f13df0c43f..74bcd97a19 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,12 +94,14 @@ GEM
     ast (2.4.3)
     attr_required (1.0.2)
     aws-eventstream (1.3.2)
-    aws-partitions (1.1087.0)
-    aws-sdk-core (3.215.1)
+    aws-partitions (1.1088.0)
+    aws-sdk-core (3.222.2)
       aws-eventstream (~> 1, >= 1.3.0)
       aws-partitions (~> 1, >= 1.992.0)
       aws-sigv4 (~> 1.9)
+      base64
       jmespath (~> 1, >= 1.6.1)
+      logger
     aws-sdk-kms (1.96.0)
       aws-sdk-core (~> 3, >= 3.210.0)
       aws-sigv4 (~> 1.5)
@@ -931,7 +933,7 @@ DEPENDENCIES
   active_model_serializers (~> 0.10)
   addressable (~> 2.8)
   annotaterb (~> 4.13)
-  aws-sdk-core (< 3.216.0)
+  aws-sdk-core (< 3.222.3)
   aws-sdk-s3 (~> 1.123)
   better_errors (~> 2.9)
   binding_of_caller (~> 1.0)