diff --git a/docs/usage/merge-confidence.md b/docs/usage/merge-confidence.md
index 284d6c91291fdd8319c2e4823cb1c58229d1477a..76e361aa616b1c6c0c558281cd7f01362f46e8f7 100644
--- a/docs/usage/merge-confidence.md
+++ b/docs/usage/merge-confidence.md
@@ -25,11 +25,16 @@ Merge Confidence badges for pull requests are available on any supported platfor
 
 ## Supported languages
 
-Data is available for packages from:
-
-- npm
-- Maven
-- PyPI
+Renovate will show Merge Confidence badges for these languages:
+
+| Language   | Datasource  |
+| ---------- | ----------- |
+| JavaScript | `npm`       |
+| Java       | `maven`     |
+| Python     | `pypi`      |
+| .NET       | `nuget`     |
+| PHP        | `packagist` |
+| Ruby       | `rubygems`  |
 
 We plan to support more languages soon.
 
diff --git a/lib/config/presets/internal/merge-confidence.ts b/lib/config/presets/internal/merge-confidence.ts
index 3225581848c308ad6d469432c34341c32e319d3d..e238f30197e483651b054b6e07e4c6142d070a05 100644
--- a/lib/config/presets/internal/merge-confidence.ts
+++ b/lib/config/presets/internal/merge-confidence.ts
@@ -5,7 +5,14 @@ export const presets: Record<string, Preset> = {
     description: 'Show all Merge Confidence badges for pull requests.',
     packageRules: [
       {
-        matchDatasources: ['maven', 'npm', 'pypi'],
+        matchDatasources: [
+          'maven',
+          'npm',
+          'nuget',
+          'packagist',
+          'pypi',
+          'rubygems',
+        ],
         matchUpdateTypes: ['patch', 'minor', 'major'],
         prBodyColumns: [
           'Package',
@@ -23,7 +30,14 @@ export const presets: Record<string, Preset> = {
       'Show only the Age and Confidence Merge Confidence badges for pull requests.',
     packageRules: [
       {
-        matchDatasources: ['maven', 'npm', 'pypi'],
+        matchDatasources: [
+          'maven',
+          'npm',
+          'nuget',
+          'packagist',
+          'pypi',
+          'rubygems',
+        ],
         matchUpdateTypes: ['patch', 'minor', 'major'],
         prBodyColumns: ['Package', 'Change', 'Age', 'Confidence'],
       },