diff --git a/package.json b/package.json
index 1902c0cfc9..48eb480f60 100644
--- a/package.json
+++ b/package.json
@@ -305,7 +305,7 @@
     "coveralls": "nyc report --reporter=text-lcov | coveralls",
     "prebuildDocs": "rm -rf docs/_dist && node scripts/docs-update-toc.js",
     "buildDocs": "bundle exec jekyll build --source ./docs --destination ./docs/_site --config ./docs/_config.yml --safe --drafts",
-    "postbuildDocs": "buildProduction docs/_site/index.html --outroot docs/_dist --canonicalroot https://mochajs.org/ --optimizeimages --inlinehtmlimage 6800 --inlinehtmlscript 0 --asyncscripts && cp docs/_headers docs/_dist/_headers && node scripts/netlify-headers.js >> docs/_dist/_headers",
+    "postbuildDocs": "buildProduction docs/_site/index.html --outroot docs/_dist --canonicalroot https://mochajs.org/ --optimizeimages --svgo --inlinehtmlimage 9400 --inlinehtmlscript 0 --asyncscripts && cp docs/_headers docs/_dist/_headers && node scripts/netlify-headers.js >> docs/_dist/_headers",
     "prewatchDocs": "node scripts/docs-update-toc.js",
     "watchDocs": "bundle exec jekyll serve --source ./docs --destination ./docs/_site --config ./docs/_config.yml --safe --drafts --watch"
   },