diff --git a/package.json b/package.json
index 827173de..868bfa6d 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "generate:map": "tsx scripts/generateClientTypesMap",
     "generate:tests": "tsx scripts/generateNewClientTests",
     "lint": "biome lint --write",
-    "release": "tsx scripts/testChangedPackageNames && npm run build && changeset publish",
+    "release": "tsx scripts/testUpdatedIdentifiers && npm run build && changeset publish",
     "test": "vitest",
     "version": "changeset version && npm i --package-lock-only"
   },
diff --git a/scripts/testChangedPackageNames/index.ts b/scripts/testChangedPackageNames/index.ts
deleted file mode 100644
index 1eebc8fa..00000000
--- a/scripts/testChangedPackageNames/index.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import { exec } from "node:child_process";
-import { mkdtemp } from "node:fs/promises";
-import { tmpdir } from "node:os";
-import { join } from "node:path";
-import { promisify } from "node:util";
-import { CLIENT_PACKAGE_NAMES_MAP as PACKAGE_NAMES_MAP_TO_PUBLISH } from "../../src/transforms/v2-to-v3/config";
-
-const execAsync = promisify(exec);
-
-(async () => {
-  // Create temporary directory
-  const tempDir = await mkdtemp(join(tmpdir(), "testChangedPackageNames-"));
-  await execAsync("npm install aws-sdk-js-codemod@latest", { cwd: tempDir });
-
-  const { CLIENT_PACKAGE_NAMES_MAP: PACKAGE_NAMES_MAP_LATEST } = await import(
-    join(tempDir, "node_modules/aws-sdk-js-codemod/dist/transforms/v2-to-v3/config")
-  );
-
-  const changedPackageNames = Object.keys(PACKAGE_NAMES_MAP_TO_PUBLISH)
-    .filter((key) => PACKAGE_NAMES_MAP_TO_PUBLISH[key] !== PACKAGE_NAMES_MAP_LATEST[key])
-    .map((key) => PACKAGE_NAMES_MAP_TO_PUBLISH[key]);
-
-  console.log(`Changed package names: ${changedPackageNames.join(", ")}`);
-  for (const packageName of changedPackageNames) {
-    const npmPackageName = `@aws-sdk/${packageName}`;
-    await execAsync(`npm show ${npmPackageName} version`);
-    console.log(`${npmPackageName} exists`);
-  }
-})();
diff --git a/scripts/testUpdatedIdentifiers/index.ts b/scripts/testUpdatedIdentifiers/index.ts
new file mode 100644
index 00000000..948df084
--- /dev/null
+++ b/scripts/testUpdatedIdentifiers/index.ts
@@ -0,0 +1,52 @@
+import { exec } from "node:child_process";
+import { mkdtemp } from "node:fs/promises";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { promisify } from "node:util";
+import {
+  CLIENT_NAMES_MAP as CLIENT_NAMES_MAP_TO_PUBLISH,
+  CLIENT_PACKAGE_NAMES_MAP as PACKAGE_NAMES_MAP_TO_PUBLISH,
+} from "../../src/transforms/v2-to-v3/config";
+
+const execAsync = promisify(exec);
+
+(async () => {
+  // Create temporary directory
+  const tempDirCodemod = await mkdtemp(join(tmpdir(), "codemod-"));
+  await execAsync("npm install aws-sdk-js-codemod@latest", { cwd: tempDirCodemod });
+
+  const { CLIENT_NAMES_MAP, CLIENT_PACKAGE_NAMES_MAP } = await import(
+    join(tempDirCodemod, "node_modules/aws-sdk-js-codemod/dist/transforms/v2-to-v3/config")
+  );
+
+  const changedPackages = Object.entries(PACKAGE_NAMES_MAP_TO_PUBLISH).filter(
+    ([key]) => PACKAGE_NAMES_MAP_TO_PUBLISH[key] !== CLIENT_PACKAGE_NAMES_MAP[key]
+  );
+
+  const changedPackageNames = Object.values(changedPackages);
+  console.log(`Changed package names: [ ${changedPackageNames.join(", ")} ]`);
+  for (const packageName of changedPackageNames) {
+    const npmPackageName = `@aws-sdk/${packageName}`;
+    await execAsync(`npm show ${npmPackageName} version`);
+    console.log(`${npmPackageName} exists`);
+  }
+
+  const changedClients = Object.entries(CLIENT_NAMES_MAP_TO_PUBLISH).filter(
+    ([key]) => CLIENT_NAMES_MAP_TO_PUBLISH[key] !== CLIENT_NAMES_MAP[key]
+  );
+
+  console.log(`Changed clients: [ ${changedClients.map(([, value]) => value).join(", ")} ]`);
+  for (const [clientKey, clientName] of changedClients) {
+    const npmPackageName = `@aws-sdk/${PACKAGE_NAMES_MAP_TO_PUBLISH[clientKey]}`;
+    const tempDirClient = await mkdtemp(join(tmpdir(), "codemod-"));
+
+    const execOptions = { cwd: tempDirClient };
+    await execAsync(`npm install ${npmPackageName}`, execOptions);
+    await execAsync(
+      `echo 'import { ${clientName} } from "${npmPackageName}"' > index.mjs`,
+      execOptions
+    );
+    await execAsync("node index.mjs", execOptions);
+    console.log(`Client '${clientName}' exists in '${npmPackageName}'.`);
+  }
+})();