diff --git a/group-by/bundler-multi-dir/app-a/Gemfile b/group-by/bundler-multi-dir/app-a/Gemfile
index 6b66fe6..7ee4015 100644
--- a/group-by/bundler-multi-dir/app-a/Gemfile
+++ b/group-by/bundler-multi-dir/app-a/Gemfile
@@ -15,4 +15,4 @@ gem 'rails', '7.0.4'
 # Using older but compatible versions
 gem 'aws-sdk-core', '3.203.0'
 gem 'aws-sdk-s3', '1.160.0'
-gem 'aws-partitions', '1.950.0'
+gem 'aws-partitions', '1.1216.0'
diff --git a/group-by/bundler-multi-dir/app-a/Gemfile.lock b/group-by/bundler-multi-dir/app-a/Gemfile.lock
index b29de32..106e07e 100644
--- a/group-by/bundler-multi-dir/app-a/Gemfile.lock
+++ b/group-by/bundler-multi-dir/app-a/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
     aws-eventstream (1.4.0)
-    aws-partitions (1.950.0)
+    aws-partitions (1.1216.0)
     aws-sdk-core (3.203.0)
       aws-eventstream (~> 1, >= 1.3.0)
       aws-partitions (~> 1, >= 1.651.0)
@@ -189,7 +189,7 @@ PLATFORMS
   x86_64-linux-musl
 
 DEPENDENCIES
-  aws-partitions (= 1.950.0)
+  aws-partitions (= 1.1216.0)
   aws-sdk-core (= 3.203.0)
   aws-sdk-s3 (= 1.160.0)
   rails (= 7.0.4)
diff --git a/group-by/bundler-multi-dir/app-b/Gemfile b/group-by/bundler-multi-dir/app-b/Gemfile
index d31831a..83d711e 100644
--- a/group-by/bundler-multi-dir/app-b/Gemfile
+++ b/group-by/bundler-multi-dir/app-b/Gemfile
@@ -15,4 +15,4 @@ gem 'rails', '7.0.6'
 # Using older but compatible versions (slightly newer than app-a)
 gem 'aws-sdk-core', '3.210.0'
 gem 'aws-sdk-s3', '1.170.0'
-gem 'aws-partitions', '1.995.0'
+gem 'aws-partitions', '1.1216.0'
diff --git a/group-by/bundler-multi-dir/app-b/Gemfile.lock b/group-by/bundler-multi-dir/app-b/Gemfile.lock
index 708bdbe..09ea5dc 100644
--- a/group-by/bundler-multi-dir/app-b/Gemfile.lock
+++ b/group-by/bundler-multi-dir/app-b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
     aws-eventstream (1.4.0)
-    aws-partitions (1.995.0)
+    aws-partitions (1.1216.0)
     aws-sdk-core (3.210.0)
       aws-eventstream (~> 1, >= 1.3.0)
       aws-partitions (~> 1, >= 1.992.0)
@@ -189,7 +189,7 @@ PLATFORMS
   x86_64-linux-musl
 
 DEPENDENCIES
-  aws-partitions (= 1.995.0)
+  aws-partitions (= 1.1216.0)
   aws-sdk-core (= 3.210.0)
   aws-sdk-s3 (= 1.170.0)
   rails (= 7.0.6)