diff --git a/lib/modules/manager/nuget/extract.spec.ts b/lib/modules/manager/nuget/extract.spec.ts
index 7070e8f62c5032a..69c2cb01e1b0052 100644
--- a/lib/modules/manager/nuget/extract.spec.ts
+++ b/lib/modules/manager/nuget/extract.spec.ts
@@ -80,10 +80,13 @@ describe('modules/manager/nuget/extract', () => {
       expect(await extractPackageFile(contents, contents, config)).toEqual({
         deps: [
           {
+            autoReplaceStringTemplate:
+              '{{depName}}{{#if newValue}}:{{newValue}}{{/if}}{{#if newDigest}}@{{newDigest}}{{/if}}',
             depName: 'mcr.microsoft.com/dotnet/runtime',
             depType: 'docker',
             datasource: 'docker',
             currentValue: '7.0.10',
+            replaceString: 'mcr.microsoft.com/dotnet/runtime:7.0.10',
           },
         ],
         packageFileVersion: '0.1.0',
@@ -102,12 +105,16 @@ describe('modules/manager/nuget/extract', () => {
       expect(await extractPackageFile(contents, contents, config)).toEqual({
         deps: [
           {
+            autoReplaceStringTemplate:
+              '{{depName}}{{#if newValue}}:{{newValue}}{{/if}}{{#if newDigest}}@{{newDigest}}{{/if}}',
             depName: 'mcr.microsoft.com/dotnet/runtime',
             depType: 'docker',
             datasource: 'docker',
             currentValue: '7.0.10',
             currentDigest:
               'sha256:181067029e094856691ee1ce3782ea3bd3fda01bb5b6d19411d0f673cab1ab19',
+            replaceString:
+              'mcr.microsoft.com/dotnet/runtime:7.0.10@sha256:181067029e094856691ee1ce3782ea3bd3fda01bb5b6d19411d0f673cab1ab19',
           },
         ],
         packageFileVersion: '0.1.0',
diff --git a/lib/modules/manager/nuget/extract.ts b/lib/modules/manager/nuget/extract.ts
index f127f32f8160a86..bded64973137c0e 100644
--- a/lib/modules/manager/nuget/extract.ts
+++ b/lib/modules/manager/nuget/extract.ts
@@ -4,7 +4,6 @@ import { logger } from '../../../logger';
 import { getSiblingFileName, localPathExists } from '../../../util/fs';
 import { hasKey } from '../../../util/object';
 import { regEx } from '../../../util/regex';
-import { DockerDatasource } from '../../datasource/docker';
 import { NugetDatasource } from '../../datasource/nuget';
 import { getDep } from '../dockerfile/extract';
 import type {
@@ -49,16 +48,10 @@ function extractDepsFromXml(xmlNode: XmlDocument): NugetPackageDependency[] {
     const { name, attr } = child;
 
     if (name === 'ContainerBaseImage') {
-      const dep = getDep(child.val, true);
+      const { depName, ...dep } = getDep(child.val, true);
 
-      if (is.nonEmptyStringAndNotWhitespace(dep.depName)) {
-        results.push({
-          datasource: DockerDatasource.id,
-          depType: 'docker',
-          depName: dep.depName,
-          currentValue: dep.currentValue,
-          currentDigest: dep.currentDigest,
-        });
+      if (is.nonEmptyStringAndNotWhitespace(depName)) {
+        results.push({ ...dep, depName, depType: 'docker' });
       }
     }