diff --git a/build/govuk-browser-extension-1.20.0.zip b/build/govuk-browser-extension-1.20.0.zip
new file mode 100644
index 0000000..ee0fd85
Binary files /dev/null and b/build/govuk-browser-extension-1.20.0.zip differ
diff --git a/src/manifest.json b/src/manifest.json
index c08f363..591c823 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -3,7 +3,7 @@
   "name": "GOV.UK Browser Extension",
   "description": "Switch between GOV.UK environments and content",
   "homepage_url": "https://github.com/alphagov/govuk-browser-extension",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "content_scripts": [
     {
       "matches": ["https://*.gov.uk/*"],