diff --git a/packages/at_server_spec/CHANGELOG.md b/packages/at_server_spec/CHANGELOG.md
index cd7e06452..f49297ac6 100644
--- a/packages/at_server_spec/CHANGELOG.md
+++ b/packages/at_server_spec/CHANGELOG.md
@@ -1,3 +1,5 @@
+## 3.0.16
+- build[deps]- upgraded at_commons to v4.0.0
 ## 3.0.15
 - feat: Introduce AtRateLimiter to limit the requests based on the criteria defined
 - fix: Modify InboundConnection to implement AtRateLimiter to limit requests
diff --git a/packages/at_server_spec/pubspec.yaml b/packages/at_server_spec/pubspec.yaml
index 0812c17ab..d03512c73 100644
--- a/packages/at_server_spec/pubspec.yaml
+++ b/packages/at_server_spec/pubspec.yaml
@@ -1,6 +1,6 @@
 name: at_server_spec
 description: A Dart library containing abstract classes that defines what implementations of the root and secondary servers are responsible for.
-version: 3.0.15
+version: 3.0.16
 repository: https://github.com/atsign-foundation/at_server
 homepage: https://docs.atsign.com
 documentation: https://docs.atsign.com/atplatform/secondaryserver
@@ -10,7 +10,7 @@ environment:
 
 dependencies:
   meta: ^1.8.0
-  at_commons: ^3.0.55
+  at_commons: ^4.0.0
 
 dev_dependencies:
   lints: ^1.0.1