diff --git a/src/core/ChefWorker.js b/src/core/ChefWorker.js
index a43993f9..43f595f3 100644
--- a/src/core/ChefWorker.js
+++ b/src/core/ChefWorker.js
@@ -7,7 +7,7 @@
  */
 
 import Chef from "./Chef.mjs";
-import OperationConfig from "./config/OperationConfig.json" assert {type: "json"};
+import OperationConfig from "./config/OperationConfig.json" with { type: "json" };
 import OpModules from "./config/modules/OpModules.mjs";
 import loglevelMessagePrefix from "loglevel-message-prefix";
 
diff --git a/src/web/index.js b/src/web/index.js
index 90142b34..110f0d2b 100755
--- a/src/web/index.js
+++ b/src/web/index.js
@@ -17,8 +17,8 @@ import * as CanvasComponents from "../core/lib/CanvasComponents.mjs";
 
 // CyberChef
 import App from "./App.mjs";
-import Categories from "../core/config/Categories.json" assert {type: "json"};
-import OperationConfig from "../core/config/OperationConfig.json" assert {type: "json"};
+import Categories from "../core/config/Categories.json" with { type: "json" };
+import OperationConfig from "../core/config/OperationConfig.json" with { type: "json" };
 
 
 /**
diff --git a/src/web/static/sitemap.mjs b/src/web/static/sitemap.mjs
index b96047fc..03313ac7 100644
--- a/src/web/static/sitemap.mjs
+++ b/src/web/static/sitemap.mjs
@@ -1,5 +1,5 @@
 import sm from "sitemap";
-import OperationConfig from "../../core/config/OperationConfig.json" assert {type: "json"};
+import OperationConfig from "../../core/config/OperationConfig.json" with { type: "json" };
 
 
 /**
diff --git a/tests/node/tests/Categories.mjs b/tests/node/tests/Categories.mjs
index e6f8bd72..070d78d7 100644
--- a/tests/node/tests/Categories.mjs
+++ b/tests/node/tests/Categories.mjs
@@ -1,6 +1,6 @@
 import TestRegister from "../../lib/TestRegister.mjs";
-import Categories from "../../../src/core/config/Categories.json" assert {type: "json"};
-import OperationConfig from "../../../src/core/config/OperationConfig.json" assert {type: "json"};
+import Categories from "../../../src/core/config/Categories.json" with { type: "json" };
+import OperationConfig from "../../../src/core/config/OperationConfig.json" with { type: "json" };
 import it from "../assertionHandler.mjs";
 import assert from "assert";