diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6badf62..1496e96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 From most recent to oldest, with major releases in bold:
 
+* *4.4.0* (2025-10-15): upgrade Lambda runtime to Nodejs22.x
 * *4.3.6* (2024-11-07): updated dependencies (CVE-2024-41818)
 * *4.3.5* (2024-09-16): array-shape input support, JSON logging bugfix, externalized ASL, updated dependencies
 * *4.3.4* (2024-02-26): upgrade to Nodejs20, custom state machine prefix, SDKv3 migration, new includeOutputResults input parameter, JSON loggin support
diff --git a/template.yml b/template.yml
index 980f302..0d3e7f0 100644
--- a/template.yml
+++ b/template.yml
@@ -12,7 +12,7 @@ Metadata:
     ReadmeUrl: README-SAR.md
     Labels: ['lambda', 'power', 'state-machine', 'step-functions', 'optimization']
     HomePageUrl: https://github.com/alexcasalboni/aws-lambda-power-tuning
-    SemanticVersion: 4.3.6
+    SemanticVersion: 4.4.0
     SourceCodeUrl: https://github.com/alexcasalboni/aws-lambda-power-tuning
 
 Parameters:
@@ -80,7 +80,7 @@ Conditions:
 
 Globals:
   Function:
-    Runtime: nodejs20.x
+    Runtime: nodejs22.x
     MemorySize: 128
     Timeout: !Ref totalExecutionTimeout
     PermissionsBoundary: !If [UsePermissionsBoundary, !Ref permissionsBoundary, !Ref AWS::NoValue]
@@ -105,11 +105,11 @@ Resources:
       Description: AWS SDK 3
       ContentUri: ./layer-sdk
       CompatibleRuntimes:
-        - nodejs20.x
+        - nodejs22.x
       LicenseInfo: 'Available under the MIT-0 license.'
       RetentionPolicy: Retain
     Metadata:
-      BuildMethod: nodejs20.x
+      BuildMethod: nodejs22.x
 
   initializerLogGroup:
     Type: AWS::Logs::LogGroup