diff --git a/lib/config/presets/internal/workarounds.spec.ts b/lib/config/presets/internal/workarounds.spec.ts
new file mode 100644
index 00000000000000..1cc42df3de80e3
--- /dev/null
+++ b/lib/config/presets/internal/workarounds.spec.ts
@@ -0,0 +1,25 @@
+import { regEx } from '../../../util/regex';
+import { presets } from './workarounds';
+
+describe('config/presets/internal/workarounds', () => {
+  describe('bitnamiDockerImageVersioning', () => {
+    const versioning = presets.bitnamiDockerImageVersioning.packageRules![0]
+      .versioning as string;
+    const re = regEx(versioning.substring(6));
+
+    it.each`
+      input                     | expected
+      ${'latest'}               | ${false}
+      ${'20'}                   | ${true}
+      ${'20-debian'}            | ${false}
+      ${'20-debian-12'}         | ${true}
+      ${'1.24'}                 | ${true}
+      ${'1.24-debian-12'}       | ${true}
+      ${'1.24.0'}               | ${true}
+      ${'1.24.0-debian-12'}     | ${true}
+      ${'1.24.0-debian-12-r24'} | ${true}
+    `('matches("$input") == "$expected"', ({ input, expected }) => {
+      expect(re.test(input)).toEqual(expected);
+    });
+  });
+});
diff --git a/lib/config/presets/internal/workarounds.ts b/lib/config/presets/internal/workarounds.ts
index 23fd345e915930..b5ad63ecb631f3 100644
--- a/lib/config/presets/internal/workarounds.ts
+++ b/lib/config/presets/internal/workarounds.ts
@@ -30,9 +30,13 @@ export const presets: Record<string, Preset> = {
     packageRules: [
       {
         matchDatasources: ['docker'],
-        matchPackagePrefixes: ['gcr.io/bitnami-containers/', 'bitnami/'],
+        matchPackagePrefixes: [
+          'bitnami/',
+          'docker.io/bitnami/',
+          'gcr.io/bitnami-containers/',
+        ],
         versioning:
-          'regex:^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)(:?-(?<compatibility>.+)-(?<build>\\d+)(?:-r(?<revision>\\d+))?)?$',
+          'regex:^(?<major>\\d+)(?:\\.(?<minor>\\d+)(?:\\.(?<patch>\\d+))?)?(:?-(?<compatibility>.+)-(?<build>\\d+)(?:-r(?<revision>\\d+))?)?$',
       },
     ],
   },