diff --git a/shared-operations/src/dynamic-ui/OperatorConstraints.ts b/shared-operations/src/dynamic-ui/OperatorConstraints.ts
index 363716aca..f6b6bdf3d 100644
--- a/shared-operations/src/dynamic-ui/OperatorConstraints.ts
+++ b/shared-operations/src/dynamic-ui/OperatorConstraints.ts
@@ -1,5 +1,5 @@
 
-import Joi from 'joi';
+import * as Joi from 'joi';
 import { PdfFileSchema } from '../wrappers/PdfFile';
 
 export class RecordConstraint {
diff --git a/shared-operations/src/functions/scalePage.ts b/shared-operations/src/functions/scalePage.ts
index 3395c874c..bed4079ac 100644
--- a/shared-operations/src/functions/scalePage.ts
+++ b/shared-operations/src/functions/scalePage.ts
@@ -1,5 +1,5 @@
 
-import Joi from 'joi';
+import * as Joi from 'joi';
 import { PDFPage } from 'pdf-lib';
 import { PdfFile, RepresentationType, PdfFileSchema } from '../wrappers/PdfFile';
 
diff --git a/shared-operations/src/wrappers/PdfFile.ts b/shared-operations/src/wrappers/PdfFile.ts
index ae31b342b..f1fde5eab 100644
--- a/shared-operations/src/wrappers/PdfFile.ts
+++ b/shared-operations/src/wrappers/PdfFile.ts
@@ -1,7 +1,7 @@
 import * as PDFJS from 'pdfjs-dist';
 import type { PDFDocumentProxy as PDFJSDocument } from 'pdfjs-dist/types/src/display/api';
 import { PDFDocument as PDFLibDocument } from 'pdf-lib';
-import Joi from 'joi';
+import * as Joi from 'joi';
 
 export enum RepresentationType {
     Uint8Array,