diff --git a/packages/parameters/src/ssm/SSMProvider.ts b/packages/parameters/src/ssm/SSMProvider.ts
index 690c2f0cc5..5dfc2ca872 100644
--- a/packages/parameters/src/ssm/SSMProvider.ts
+++ b/packages/parameters/src/ssm/SSMProvider.ts
@@ -1,15 +1,20 @@
 import { BaseProvider, DEFAULT_PROVIDERS, transformValue } from '../BaseProvider';
 import { GetParameterError } from '../Exceptions';
 import { DEFAULT_MAX_AGE_SECS } from '../constants';
-import { SSMClient, GetParameterCommand, paginateGetParametersByPath, GetParametersCommand } from '@aws-sdk/client-ssm';
+import {
+  SSMClient,
+  GetParameterCommand,
+  paginateGetParametersByPath,
+  GetParametersCommand
+} from '@aws-sdk/client-ssm';
 import type {
-  SSMClientConfig,
   GetParameterCommandInput,
   GetParametersByPathCommandInput,
   GetParametersCommandInput,
   GetParametersCommandOutput,
 } from '@aws-sdk/client-ssm';
 import type {
+  SSMProviderOptionsInterface,
   SSMGetMultipleOptionsInterface,
   SSMGetOptionsInterface,
   SSMGetParametersByNameOutputInterface,
@@ -24,9 +29,9 @@ class SSMProvider extends BaseProvider {
   protected errorsKey = '_errors';
   protected maxGetParametersItems = 10;
 
-  public constructor(config: SSMClientConfig = {}) {
+  public constructor(config?: SSMProviderOptionsInterface) {
     super();
-    this.client = new SSMClient(config);
+    this.client = new SSMClient(config?.clientConfig || {});
   }
 
   public async get(
diff --git a/packages/parameters/src/types/SSMProvider.ts b/packages/parameters/src/types/SSMProvider.ts
index 486e3dac31..e7649c14df 100644
--- a/packages/parameters/src/types/SSMProvider.ts
+++ b/packages/parameters/src/types/SSMProvider.ts
@@ -1,6 +1,14 @@
-import type { GetParameterCommandInput, GetParametersByPathCommandInput } from '@aws-sdk/client-ssm';
+import type {
+  SSMClientConfig,
+  GetParameterCommandInput,
+  GetParametersByPathCommandInput
+} from '@aws-sdk/client-ssm';
 import type { GetOptionsInterface, GetMultipleOptionsInterface, TransformOptions } from './BaseProvider';
 
+interface SSMProviderOptionsInterface {
+  clientConfig: SSMClientConfig
+}
+
 /**
  * Options for the SSMProvider get method.
  * 
@@ -31,7 +39,7 @@ interface SSMGetParametersByNameOptionsInterface {
 type SSMSplitBatchAndDecryptParametersOutputType = {
   parametersToFetchInBatch: Record<string, SSMGetParametersByNameOptionsInterface>
   parametersToDecrypt: Record<string, SSMGetParametersByNameOptionsInterface>
-} & { [key: string]: SSMGetParametersByNameOptionsInterface };
+};
 
 interface SSMGetParametersByNameOutputInterface {
   response: Record<string, unknown>
@@ -41,9 +49,10 @@ interface SSMGetParametersByNameOutputInterface {
 type SSMGetParametersByNameFromCacheOutputType = {
   cached: Record<string, string | Record<string, unknown>>
   toFetch: Record<string, SSMGetParametersByNameOptionsInterface>
-} & { [key: string]: SSMGetParametersByNameOptionsInterface };
+};
 
 export {
+  SSMProviderOptionsInterface,
   SSMGetOptionsInterface,
   SSMGetMultipleOptionsInterface,
   SSMGetParametersByNameOptionsInterface,