diff --git a/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/input.xml b/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/input.xml
index 00590cd2b..f5dcde93a 100644
--- a/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/input.xml
+++ b/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/input.xml
@@ -1,7 +1,7 @@
 <mvc:View xmlns:core="sap.ui.core" xmlns:uxap="sap.uxap" xmlns:m="sap.m"
     xmlns:mvc="sap.ui.core.mvc"
     xmlns="sap.ui.commons"
-    xmlns:sap.ui.dt=🢂"sap.ui.dt"🢀>
+    xmlns:sap.ui.dt="sap.ui.dt">
         <m:CheckBox id="dummy-id"></m:CheckBox>
         <🢂m:Button🢀>
             <m:customData>
diff --git a/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/output-lsp-response.json b/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/output-lsp-response.json
index 99c05aac5..db5fa7511 100644
--- a/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/output-lsp-response.json
+++ b/packages/language-server/test/snapshots/xml-view-diagnostics/non-stable-id/output-lsp-response.json
@@ -1,13 +1,4 @@
 [
-  {
-    "range": {
-      "start": { "line": 3, "character": 20 },
-      "end": { "line": 3, "character": 31 }
-    },
-    "severity": 2,
-    "source": "UI5 Language Assistant",
-    "message": "Unknown namespace: \"sap.ui.dt\""
-  },
   {
     "range": {
       "start": { "line": 5, "character": 9 },
diff --git a/packages/xml-views-validation/src/validators/attributes/unknown-xmlns-namespace.ts b/packages/xml-views-validation/src/validators/attributes/unknown-xmlns-namespace.ts
index 6909574c2..b6610db6f 100644
--- a/packages/xml-views-validation/src/validators/attributes/unknown-xmlns-namespace.ts
+++ b/packages/xml-views-validation/src/validators/attributes/unknown-xmlns-namespace.ts
@@ -1,9 +1,9 @@
+import { find, includes } from "lodash";
 import { XMLAttribute } from "@xml-tools/ast";
 import { UI5SemanticModel } from "@ui5-language-assistant/semantic-model-types";
 import { findSymbol } from "@ui5-language-assistant/semantic-model";
 import { isXMLNamespaceKey } from "@xml-tools/common";
 import { UnknownNamespaceInXmlnsAttributeValueIssue } from "../../../api";
-import { find } from "lodash";
 
 export function validateUnknownXmlnsNamespace(
   attribute: XMLAttribute,
@@ -25,6 +25,11 @@ export function validateUnknownXmlnsNamespace(
     return [];
   }
 
+  const whiteListedNamespaces = ["sap.ui.dt"];
+  if (includes(whiteListedNamespaces, attributeValue)) {
+    return [];
+  }
+
   // Only check namespaces from libraries.
   // There are valid namespaces like some that start with "http" that should not return an error.
   // Additionally, customers can develop in custom namespaces, even those that start with "sap", and we don't want to give false positives.
diff --git a/packages/xml-views-validation/test/validators/attributes/unknown-xmlns-namespace-spec.ts b/packages/xml-views-validation/test/validators/attributes/unknown-xmlns-namespace-spec.ts
index 5ff627018..56aa0710c 100644
--- a/packages/xml-views-validation/test/validators/attributes/unknown-xmlns-namespace-spec.ts
+++ b/packages/xml-views-validation/test/validators/attributes/unknown-xmlns-namespace-spec.ts
@@ -1,12 +1,12 @@
 import { expect } from "chai";
 import { UI5SemanticModel } from "@ui5-language-assistant/semantic-model-types";
 import { generateModel } from "@ui5-language-assistant/test-utils";
+import { generate } from "@ui5-language-assistant/semantic-model";
 import {
   testValidationsScenario,
   computeExpectedRange,
 } from "../../test-utils";
 import { validateUnknownXmlnsNamespace } from "../../../src/validators/attributes/unknown-xmlns-namespace";
-import { generate } from "@ui5-language-assistant/semantic-model";
 
 describe("the unknown namespace in xmlns attribute value validation", () => {
   let ui5SemanticModel: UI5SemanticModel;
@@ -205,5 +205,24 @@ describe("the unknown namespace in xmlns attribute value validation", () => {
         },
       });
     });
+
+    it("will not detect an issue when the attribute value is a whitelisted namespace", () => {
+      const xmlSnippet = `
+      <mvc:View
+        xmlns:mvc="sap.ui.core.mvc"
+        xmlns:sap.ui.dt="sap.ui.dt">
+      </mvc:View>`;
+
+      testValidationsScenario({
+        model: ui5SemanticModel,
+        xmlText: xmlSnippet,
+        validators: {
+          attribute: [validateUnknownXmlnsNamespace],
+        },
+        assertion: (issues) => {
+          expect(issues).to.be.empty;
+        },
+      });
+    });
   });
 });