diff --git a/components/case/representation/representationElements.js b/components/case/representation/representationElements.js
index a9dcff22..0cd58bd7 100644
--- a/components/case/representation/representationElements.js
+++ b/components/case/representation/representationElements.js
@@ -1088,7 +1088,7 @@ export const RenderFileUpload = (field) => {
         setRejectedFiles([]); // Clear any previously rejected file errorsss
     };
 
-    const FILENAME_ALLOWED = /^[A-Za-z0-9 ._\-:()—]+$/;
+    const FILENAME_ALLOWED = /^[A-Za-z0-9 ._\-:()—']+$/;
 
     const validateFilename = (file, t) => {
         const name = file.name;
diff --git a/components/elements/index.js b/components/elements/index.js
index 2850044d..b6b74696 100644
--- a/components/elements/index.js
+++ b/components/elements/index.js
@@ -2175,7 +2175,7 @@ const RenderFileUpload = (field) => {
         setRejectedFiles([]); // Clear any previously rejected file errorsss
     };
 
-    const FILENAME_ALLOWED = /^[A-Za-z0-9 ._\-:()—]+$/;
+    const FILENAME_ALLOWED = /^[A-Za-z0-9 ._\-:()—']+$/;
 
     const validateFilename = (file, t) => {
         const name = file.name;
diff --git a/pages/api/file/uploadsinglefile.js b/pages/api/file/uploadsinglefile.js
index 7c2c7af0..67d7e4d1 100644
--- a/pages/api/file/uploadsinglefile.js
+++ b/pages/api/file/uploadsinglefile.js
@@ -11,7 +11,7 @@ import { fileTypeFromBuffer } from "file-type";
 import fs from "fs";
 import path from "path";
 
-const FILENAME_ALLOWED = /^[A-Za-z0-9 ._\-:()—]+$/;
+const FILENAME_ALLOWED = /^[A-Za-z0-9 ._\-:()—']+$/;
 
 function validateFilenameServer(originalFilename) {
     const name = path.basename(originalFilename || "");