diff --git a/_config.yml b/_config.yml
index 798c653f997..a15c04365db 100644
--- a/_config.yml
+++ b/_config.yml
@@ -139,8 +139,8 @@ social:
 # Home Assistant release details
 current_major_version: 0
 current_minor_version: 91
-current_patch_version: 3
-date_released: 2019-04-10
+current_patch_version: 4
+date_released: 2019-04-16
 
 # Either # or the anchor link to latest release notes in the blog post.
 # Must be prefixed with a # and have double quotes around it.
diff --git a/source/_posts/2019-04-03-release-91.markdown b/source/_posts/2019-04-03-release-91.markdown
index 08a8d66e950..155810238c6 100644
--- a/source/_posts/2019-04-03-release-91.markdown
+++ b/source/_posts/2019-04-03-release-91.markdown
@@ -178,6 +178,15 @@ If you run hass.io on an Intel NUC and haven't seen it yet, check out the VS Cod
 [hassio docs]: /components/hassio/
 [mobile_app docs]: /components/mobile_app/
 
+## {% linkable_title Release 0.91.4 - April 16 %}
+
+- Fix ingress bug with Firefox ([@pvizeli] - [#23121]) ([hassio docs]) ([http docs])
+
+[#23121]: https://github.com/home-assistant/home-assistant/pull/23121
+[@pvizeli]: https://github.com/pvizeli
+[hassio docs]: /components/hassio/
+[http docs]: /components/http/
+
 ## {% linkable_title If you need help... %}
 
 ...don't hesitate to use our very active [forums](https://community.home-assistant.io/) or join us for a little [chat](https://discord.gg/c5DvZ4e). The release notes have comments enabled but it's preferred if you use the former communication channels. Thanks.