diff --git a/packages/framework/example/http2/body_parsing.dart b/packages/framework/example/http2/body_parsing.dart
index bdb5052b..ec1b3540 100644
--- a/packages/framework/example/http2/body_parsing.dart
+++ b/packages/framework/example/http2/body_parsing.dart
@@ -29,7 +29,7 @@ void main() async {
   try {
     ctx.setAlpnProtocols(['h2'], true);
   } catch (e, st) {
-    app.logger!.severe(
+    app.logger.severe(
         'Cannot set ALPN protocol on server to `h2`. The server will only serve HTTP/1.x.',
         e,
         st);
diff --git a/packages/framework/example/http2/main.dart b/packages/framework/example/http2/main.dart
index d0a93e36..a111c059 100644
--- a/packages/framework/example/http2/main.dart
+++ b/packages/framework/example/http2/main.dart
@@ -25,7 +25,7 @@ void main() async {
   try {
     ctx.setAlpnProtocols(['h2'], true);
   } catch (e, st) {
-    app.logger!.severe(
+    app.logger.severe(
       'Cannot set ALPN protocol on server to `h2`. The server will only serve HTTP/1.x.',
       e,
       st,
diff --git a/packages/framework/example/http2/server_push.dart b/packages/framework/example/http2/server_push.dart
index 4123e7b6..93290ca4 100644
--- a/packages/framework/example/http2/server_push.dart
+++ b/packages/framework/example/http2/server_push.dart
@@ -45,7 +45,7 @@ void main() async {
   try {
     ctx.setAlpnProtocols(['h2'], true);
   } catch (e, st) {
-    app.logger!.severe(
+    app.logger.severe(
         'Cannot set ALPN protocol on server to `h2`. The server will only serve HTTP/1.x.',
         e,
         st);
diff --git a/packages/production/CHANGELOG.md b/packages/production/CHANGELOG.md
index 625aa474..90751266 100644
--- a/packages/production/CHANGELOG.md
+++ b/packages/production/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Change Log
 
+## 6.0.0
+
+* Updated to min SDK 2.15.x
+
+## 5.0.0
+
+* No release. Skipped
+
+## 4.0.0
+
+* No release. Skipped
+
 ## 3.1.2
 
 * Updated repo link
diff --git a/packages/production/lib/src/runner.dart b/packages/production/lib/src/runner.dart
index 8617a7e4..b9112f85 100644
--- a/packages/production/lib/src/runner.dart
+++ b/packages/production/lib/src/runner.dart
@@ -240,7 +240,7 @@ _  ___ |  /|  / / /_/ / _  /___  _  /___
 
       await app.configure(args.configureServer);
 
-      app.logger ??= Logger(args.loggerName)
+      app.logger = Logger(args.loggerName)
         ..onRecord.listen((rec) => Runner.handleLogRecord(rec, args.options));
 
       AngelHttp http;
diff --git a/packages/production/pubspec.yaml b/packages/production/pubspec.yaml
index cad19961..dcbb2313 100644
--- a/packages/production/pubspec.yaml
+++ b/packages/production/pubspec.yaml
@@ -1,16 +1,29 @@
 name: angel3_production
-version: 3.1.2
+version: 6.0.0
 description: Helpers for concurrency, message-passing, rotating loggers, and other production functionality in Angel3.
 homepage: https://angel3-framework.web.app
 repository: https://github.com/dukefirehawk/angel/tree/master/packages/production
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.15.0 <3.0.0'
 dependencies:
-  angel3_container: ^3.1.0
-  angel3_framework: ^4.2.0
+  angel3_container: ^6.0.0
+  angel3_framework: ^6.0.0
   belatuk_pub_sub: ^4.0.0
   args: ^2.3.0
   io: ^1.0.0
   logging: ^1.0.1
 dev_dependencies:
   lints: ^1.0.1
+dependency_overrides:
+  angel3_container:
+    path: ../container/angel_container
+  angel3_framework:
+    path: ../framework
+  angel3_http_exception:
+    path: ../http_exception
+  angel3_model:
+    path: ../model
+  angel3_route:
+    path: ../route
+  angel3_mock_request:
+    path: ../mock_request