diff --git a/lib/modules/manager/nuget/extract.spec.ts b/lib/modules/manager/nuget/extract.spec.ts
index 69c2cb01e1b0052e190f78236b28a99d63fcf97b..ca0aa58e026787274bfc9d87e84d276248ad39d8 100644
--- a/lib/modules/manager/nuget/extract.spec.ts
+++ b/lib/modules/manager/nuget/extract.spec.ts
@@ -296,9 +296,7 @@ describe('modules/manager/nuget/extract', () => {
     it('extracts msbuild-sdks from global.json', async () => {
       const packageFile = 'msbuild-sdk-files/global.json';
       const contents = Fixtures.get(packageFile);
-      expect(
-        await extractPackageFile(contents, packageFile, config),
-      ).toMatchObject({
+      expect(await extractPackageFile(contents, packageFile, config)).toEqual({
         deps: [
           {
             currentValue: '5.0.302',
@@ -313,24 +311,26 @@ describe('modules/manager/nuget/extract', () => {
             depType: 'msbuild-sdk',
           },
         ],
+        extractedConstraints: { 'dotnet-sdk': '5.0.302' },
       });
     });
 
     it('extracts dotnet-sdk from global.json', async () => {
       const packageFile = 'msbuild-sdk-files/global.1.json';
       const contents = Fixtures.get(packageFile);
-      expect(
-        await extractPackageFile(contents, 'global.json', config),
-      ).toMatchObject({
-        deps: [
-          {
-            currentValue: '5.0.302',
-            depName: 'dotnet-sdk',
-            depType: 'dotnet-sdk',
-            datasource: DotnetVersionDatasource.id,
-          },
-        ],
-      });
+      expect(await extractPackageFile(contents, 'global.json', config)).toEqual(
+        {
+          deps: [
+            {
+              currentValue: '5.0.302',
+              depName: 'dotnet-sdk',
+              depType: 'dotnet-sdk',
+              datasource: DotnetVersionDatasource.id,
+            },
+          ],
+          extractedConstraints: { 'dotnet-sdk': '5.0.302' },
+        },
+      );
     });
 
     it('handles malformed global.json', async () => {
diff --git a/lib/modules/manager/nuget/extract/global-manifest.ts b/lib/modules/manager/nuget/extract/global-manifest.ts
index 45c66a29e0682ce4f6ca18d0ea10ad54fdc22c65..7484dbb6a240b515706ca541446840d4bd577665 100644
--- a/lib/modules/manager/nuget/extract/global-manifest.ts
+++ b/lib/modules/manager/nuget/extract/global-manifest.ts
@@ -16,7 +16,7 @@ export function extractMsbuildGlobalManifest(
 ): PackageFileContent | null {
   const deps: PackageDependency[] = [];
   let manifest: MsbuildGlobalManifest;
-
+  let extractedConstraints: Record<string, string> | undefined;
   try {
     manifest = JSON.parse(content);
   } catch (err) {
@@ -36,6 +36,8 @@ export function extractMsbuildGlobalManifest(
       currentValue: manifest.sdk?.version,
       datasource: DotnetVersionDatasource.id,
     });
+
+    extractedConstraints = { 'dotnet-sdk': manifest.sdk?.version };
   }
 
   if (manifest['msbuild-sdks']) {
@@ -54,5 +56,5 @@ export function extractMsbuildGlobalManifest(
     }
   }
 
-  return { deps };
+  return { deps, ...(extractedConstraints && { extractedConstraints }) };
 }