diff --git a/packages/pub_sub/AUTHORS.md b/packages/pub_sub/AUTHORS.md
index ac95ab5..6ae218e 100644
--- a/packages/pub_sub/AUTHORS.md
+++ b/packages/pub_sub/AUTHORS.md
@@ -3,7 +3,7 @@ Primary Authors
 
 * __[Thomas Hii](dukefirehawk.apps@gmail.com)__
 
-    Thomas is the current maintainer of the code base. He has refactored and migrated the 
+    Thomas is the current maintainer of the code base. He has refactored and migrated the
     code base to support NNBD.
 
 * __[Tobe O](thosakwe@gmail.com)__
diff --git a/packages/pub_sub/CHANGELOG.md b/packages/pub_sub/CHANGELOG.md
index 6eb4bb7..f0e042f 100644
--- a/packages/pub_sub/CHANGELOG.md
+++ b/packages/pub_sub/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## 6.1.0
+
+* Upgraded `uuid` to 4.0.0
+
 ## 6.0.0
 
 * Require Dart >= 3.0
diff --git a/packages/pub_sub/pubspec.yaml b/packages/pub_sub/pubspec.yaml
index 7eb2c65..63f7067 100644
--- a/packages/pub_sub/pubspec.yaml
+++ b/packages/pub_sub/pubspec.yaml
@@ -1,5 +1,5 @@
 name: belatuk_pub_sub
-version: 6.0.0
+version: 6.1.0
 description: Keep application instances in sync with a simple pub/sub API.
 homepage: https://github.com/dart-backend/belatuk-common-utilities/tree/main/packages/pub_sub
 environment:
@@ -7,7 +7,7 @@ environment:
 dependencies:
   json_rpc_2: ^3.0.0
   stream_channel: ^2.1.0
-  uuid: ^3.0.4
+  uuid: ^4.0.0
   collection: ^1.17.0
 dev_dependencies:
   lints: ^2.0.0
diff --git a/packages/pub_sub/test/json_rpc_2_test.dart b/packages/pub_sub/test/json_rpc_2_test.dart
index 2f6932b..b5e9293 100644
--- a/packages/pub_sub/test/json_rpc_2_test.dart
+++ b/packages/pub_sub/test/json_rpc_2_test.dart
@@ -157,7 +157,7 @@ class _SocketStreamChannel extends StreamChannelMixin<List<int>> {
   Stream<List<int>> get stream => socket;
 }
 
-class _SocketSink extends StreamSink<List<int>> {
+class _SocketSink implements StreamSink<List<int>> {
   final Socket socket;
 
   _SocketSink(this.socket);
diff --git a/packages/range_header/CHANGELOG.md b/packages/range_header/CHANGELOG.md
index 9149bc2..c546061 100644
--- a/packages/range_header/CHANGELOG.md
+++ b/packages/range_header/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## 6.1.0
+
+* Updated `file` to 7.0.0
+
 ## 6.0.0
 
 * Require Dart >= 3.0
diff --git a/packages/range_header/pubspec.yaml b/packages/range_header/pubspec.yaml
index 54b5d08..6de9eab 100644
--- a/packages/range_header/pubspec.yaml
+++ b/packages/range_header/pubspec.yaml
@@ -1,5 +1,5 @@
 name: belatuk_range_header
-version: 6.0.0
+version: 6.1.0
 description: Range header parser for Dart. Beyond parsing, a stream transformer is included.
 homepage: https://github.com/dart-backend/belatuk-common-utilities/tree/main/packages/range_header
 environment:
@@ -11,7 +11,7 @@ dependencies:
   source_span: ^1.10.0
   string_scanner: ^1.2.0
 dev_dependencies:
-  file: ^6.1.0
+  file: ^7.0.0
   http_parser: ^4.0.0
   logging: ^1.0.1
   test: ^1.24.0