diff --git a/lib/config/definitions.js b/lib/config/definitions.js
index <HASH>..<HASH> 100644
--- a/lib/config/definitions.js
+++ b/lib/config/definitions.js
@@ -423,6 +423,7 @@ const options = [
     description: 'Whether to add digests to Dockerfile source images',
     stage: 'package',
     type: 'boolean',
+    default: false,
   },
   {
     name: 'separateMajorMinor',
diff --git a/test/manager/docker/package.spec.js b/test/manager/docker/package.spec.js
index <HASH>..<HASH> 100644
--- a/test/manager/docker/package.spec.js
+++ b/test/manager/docker/package.spec.js
@@ -32,6 +32,7 @@ describe('lib/manager/docker/package', () => {
         currentDepTag: 'some-dep:1.0.0',
         currentTag: '1.0.0',
         currentDigest: 'sha256:abcdefghijklmnop',
+        pinDigests: true,
       };
     });
     it('returns empty if no digest', async () => {
feat: disable pinDigests by default