diff --git a/docs/guides/functions.md b/docs/guides/functions.md
index f90ba1e93..6490197cc 100644
--- a/docs/guides/functions.md
+++ b/docs/guides/functions.md
@@ -152,7 +152,7 @@ deleteFoo:
 The `runtime` property (set at `provider.runtime` or per function) accepts a fixed set of identifiers that map to the [AWS Lambda runtimes](https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html). The supported identifiers, grouped by language, are:
 
 - **Node.js:** `nodejs20.x`, `nodejs22.x`, `nodejs24.x`
-- **Python:** `python3.10`, `python3.11`, `python3.12`, `python3.13`, `python3.14`
+- **Python:** `python3.10`, `python3.11`, `python3.12`, `python3.13`, `python3.14`, `python3.15`
 - **Java:** `java8.al2`, `java8.al2023`, `java11`, `java11.al2023`, `java17`, `java17.al2023`, `java21`, `java25`
 - **Ruby:** `ruby3.3`, `ruby3.4`, `ruby4.0`
 - **.NET:** `dotnet8`, `dotnet9`, `dotnet10`
diff --git a/lib/plugins/aws/invoke-local/index.js b/lib/plugins/aws/invoke-local/index.js
index 81d2afe49..f964ad6e3 100644
--- a/lib/plugins/aws/invoke-local/index.js
+++ b/lib/plugins/aws/invoke-local/index.js
@@ -365,7 +365,11 @@ class AwsInvokeLocal {
       );
     }
 
-    if (['python3.10', 'python3.11', 'python3.12', 'python3.13', 'python3.14'].includes(runtime)) {
+    if (
+      ['python3.10', 'python3.11', 'python3.12', 'python3.13', 'python3.14', 'python3.15'].includes(
+        runtime
+      )
+    ) {
       const handlerComponents = handler.split(/\./);
       const handlerPath = handlerComponents.slice(0, -1).join('.');
       const handlerName = handlerComponents.pop();
diff --git a/lib/plugins/aws/provider.js b/lib/plugins/aws/provider.js
index ff91e9a96..88a91eb79 100644
--- a/lib/plugins/aws/provider.js
+++ b/lib/plugins/aws/provider.js
@@ -573,6 +573,7 @@ class AwsProvider {
               'python3.12',
               'python3.13',
               'python3.14',
+              'python3.15',
               'ruby3.3',
               'ruby3.4',
               'ruby4.0',
diff --git a/test/unit/lib/plugins/aws/invoke-local/index.test.js b/test/unit/lib/plugins/aws/invoke-local/index.test.js
index aff08c6b0..d126d4b9a 100644
--- a/test/unit/lib/plugins/aws/invoke-local/index.test.js
+++ b/test/unit/lib/plugins/aws/invoke-local/index.test.js
@@ -1056,6 +1056,17 @@ describe('AwsInvokeLocal', () => {
       ).to.be.equal(true);
     });
 
+    it('should call invokeLocalPython when python3.15 runtime is set', async () => {
+      awsInvokeLocal.options.functionObj.runtime = 'python3.15';
+      await awsInvokeLocal.invokeLocal();
+      // NOTE: this is important so that tests on Windows won't fail
+      const runtime = process.platform === 'win32' ? 'python.exe' : 'python3.15';
+      expect(invokeLocalPythonStub.calledOnce).to.be.equal(true);
+      expect(
+        invokeLocalPythonStub.calledWithExactly(runtime, 'handler', 'hello', {}, undefined)
+      ).to.be.equal(true);
+    });
+
     [
       'java8.al2',
       'java8.al2023',
diff --git a/types/index.d.ts b/types/index.d.ts
index 06b2482ef..e173f71d8 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -72,6 +72,7 @@ export type AwsLambdaRuntime =
   | 'python3.12'
   | 'python3.13'
   | 'python3.14'
+  | 'python3.15'
   | 'ruby3.3'
   | 'ruby3.4'
   | 'ruby4.0';