diff --git a/src/org/datafoodconsortium/connector/codegen/typescript/static/package.json b/src/org/datafoodconsortium/connector/codegen/typescript/static/package.json
index 3f3f6ed..f420e87 100644
--- a/src/org/datafoodconsortium/connector/codegen/typescript/static/package.json
+++ b/src/org/datafoodconsortium/connector/codegen/typescript/static/package.json
@@ -24,6 +24,7 @@
   },
   "devDependencies": {
     "@types/jsonld": "^1.5.7",
+    "@types/node": "^22.7.6",
     "@types/rdf-ext": "^2.5.0",
     "@types/rdfjs__serializer-jsonld-ext": "^2.0.5",
     "typescript": "^4.5"
diff --git a/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorExporterJsonldStream.ts b/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorExporterJsonldStream.ts
index f963080..0e61eb8 100644
--- a/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorExporterJsonldStream.ts
+++ b/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorExporterJsonldStream.ts
@@ -1,6 +1,7 @@
 import { Semanticable } from "@virtual-assembly/semantizer";
 import SerializerJsonld from '@rdfjs/serializer-jsonld-ext';
-import { ContextDefinition } from "jsonld";
+import Quad from "rdf-ext/lib/Quad";
+import { ContextDefinition, ExpandedTermDefinition } from "jsonld";
 import { Readable } from 'readable-stream';
 
 import IConnectorExporter from "./IConnectorExporter";
@@ -24,7 +25,7 @@ export default class ConnectorExporterJsonldStream implements IConnectorExporter
         const input = new Readable({
             objectMode: true,
             read: () => {
-                semanticObjets.forEach((semanticObject) => semanticObject.toRdfDatasetExt().forEach((quad) => input.push(quad)));
+                semanticObjets.forEach((semanticObject) => semanticObject.toRdfDatasetExt().forEach((quad: Quad) => input.push(quad)));
                 input.push(null)
             }
         });
@@ -32,8 +33,8 @@ export default class ConnectorExporterJsonldStream implements IConnectorExporter
         const output = serializer.import(input);
 
         return new Promise<string>((resolve, reject) => {
-            output.on('error', (error) => reject(error));
-            output.on('data', (json) => {
+            output.on('error', (error: Error) => reject(error));
+            output.on('data', (json: ExpandedTermDefinition) => {
                 if (outputContext) {
                     json["@context"] = outputContext;
                 }
diff --git a/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorImporterJsonldStream.ts b/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorImporterJsonldStream.ts
index 48e7201..5acdfa5 100644
--- a/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorImporterJsonldStream.ts
+++ b/src/org/datafoodconsortium/connector/codegen/typescript/static/src/ConnectorImporterJsonldStream.ts
@@ -45,7 +45,7 @@ export default class ConnectorImporterJsonldStream implements IConnectorImporter
         // On each quad imported we fill the appropriate datasets.
         // If the quad is a blank node we add it to the blankNodes array, 
         // otherwise we add it to the datasets array.
-        output.on('data', (quad) => {
+        output.on('data', (quad: QuadExt) => {
             const subject: string = quad.subject.value;
             const isBlankNode: boolean = (quad.subject.termType === "BlankNode");
 
@@ -82,7 +82,7 @@ export default class ConnectorImporterJsonldStream implements IConnectorImporter
 
         return new Promise((resolve, reject) => {
             // If an error occured during the import process, we reject the promise.
-            output.on('error', (error) => reject(error));
+            output.on('error', (error: Error) => reject(error));
 
             // When the import is done without any error.
             output.on('finish', () => {
@@ -93,7 +93,7 @@ export default class ConnectorImporterJsonldStream implements IConnectorImporter
 
                     // We should find a blank node index associated to the blank node name.
                     if (blankNodeIndex !== undefined) {
-                        const blankNodeDataset: DatasetExt | undefined = blankNodes.at(blankNodeIndex);
+                        const blankNodeDataset: DatasetExt | undefined = blankNodes.at(blankNodeIndex); // FIXME: requires tsconfig target >= es2022
 
                         // When we find the blank node we add its quads to the corresponding dataset.
                         if (blankNodeDataset) dataset.addAll(blankNodeDataset);