diff --git a/lib/config/templates/docker/pr-body.hbs b/lib/config/templates/docker/pr-body.hbs
index 0fda468484abec9a4e42a6ed2da8f5f22b2c43a3..2e1984dd1340cecb113e2ddfd2c786275d47b382 100644
--- a/lib/config/templates/docker/pr-body.hbs
+++ b/lib/config/templates/docker/pr-body.hbs
@@ -1,4 +1,4 @@
-This Pull Request updates Docker base image `{{{depName}}}` from tag `{{{currentTag}}}` to new tag `{{{newTag}}}`. For details on Renovate's Docker support, please visit https://renovatebot.com/docs/docker
+This Pull Request updates Docker base image `{{{depName}}}` from tag `{{{currentTag}}}` to new tag `{{{newValue}}}{{#if tagSuffix}}-{{{tagSuffix}}}{{/if}}`. For details on Renovate's Docker support, please visit https://renovatebot.com/docs/docker
 
 {{#if schedule}}
 **Note**: This PR was created on a configured schedule ("{{{schedule}}}"{{#if timezone}} in timezone `{{{timezone}}}`{{/if}}) and will not receive updates outside those times.
diff --git a/test/workers/repository/updates/__snapshots__/flatten.spec.js.snap b/test/workers/repository/updates/__snapshots__/flatten.spec.js.snap
index 31655be5970cf12761624d76bd413ee2df7a1673..356878a107e1726ebd8358faacf2d67323dab6ee 100644
--- a/test/workers/repository/updates/__snapshots__/flatten.spec.js.snap
+++ b/test/workers/repository/updates/__snapshots__/flatten.spec.js.snap
@@ -228,7 +228,7 @@ Array [
     "npmToken": null,
     "npmrc": null,
     "packageFile": "Dockerfile",
-    "prBody": "This Pull Request updates Docker base image \`{{{depName}}}\` from tag \`{{{currentTag}}}\` to new tag \`{{{newTag}}}\`. For details on Renovate's Docker support, please visit https://renovatebot.com/docs/docker\\n\\n{{#if schedule}}\\n**Note**: This PR was created on a configured schedule (\\"{{{schedule}}}\\"{{#if timezone}} in timezone \`{{{timezone}}}\`{{/if}}) and will not receive updates outside those times.\\n{{/if}}\\n\\n{{#if hasErrors}}\\n\\n---\\n\\n# Errors\\n\\nRenovate encountered some errors when processing your repository, so you are being notified here even if they do not directly apply to this PR.\\n\\n{{#each errors as |error|}}\\n-   \`{{error.depName}}\`: {{error.message}}\\n{{/each}}\\n{{/if}}\\n\\n{{#if hasWarnings}}\\n\\n---\\n\\n# Warnings\\n\\nPlease make sure the following warnings are safe to ignore:\\n\\n{{#each warnings as |warning|}}\\n-   \`{{warning.depName}}\`: {{warning.message}}\\n{{/each}}\\n{{/if}}",
+    "prBody": "This Pull Request updates Docker base image \`{{{depName}}}\` from tag \`{{{currentTag}}}\` to new tag \`{{{newValue}}}{{#if tagSuffix}}-{{{tagSuffix}}}{{/if}}\`. For details on Renovate's Docker support, please visit https://renovatebot.com/docs/docker\\n\\n{{#if schedule}}\\n**Note**: This PR was created on a configured schedule (\\"{{{schedule}}}\\"{{#if timezone}} in timezone \`{{{timezone}}}\`{{/if}}) and will not receive updates outside those times.\\n{{/if}}\\n\\n{{#if hasErrors}}\\n\\n---\\n\\n# Errors\\n\\nRenovate encountered some errors when processing your repository, so you are being notified here even if they do not directly apply to this PR.\\n\\n{{#each errors as |error|}}\\n-   \`{{error.depName}}\`: {{error.message}}\\n{{/each}}\\n{{/if}}\\n\\n{{#if hasWarnings}}\\n\\n---\\n\\n# Warnings\\n\\nPlease make sure the following warnings are safe to ignore:\\n\\n{{#each warnings as |warning|}}\\n-   \`{{warning.depName}}\`: {{warning.message}}\\n{{/each}}\\n{{/if}}",
     "prConcurrentLimit": 0,
     "prCreation": "immediate",
     "prHourlyLimit": 0,