diff --git a/VERSIONS.diff.md b/VERSIONS.diff.md
index 263c892..8908457 100644
--- a/VERSIONS.diff.md
+++ b/VERSIONS.diff.md
@@ -9,5 +9,6 @@
 * [Exim Relay](https://github.com/devture/exim-relay): [4.98-r0-3](https://github.com/devture/exim-relay/releases/tag/4.98-r0-3) -> [4.98-r0-4](https://github.com/devture/exim-relay/releases/tag/4.98-r0-4)
 * [Grafana](https://github.com/grafana/grafana): [11.4.0](https://github.com/grafana/grafana/releases/tag/v11.4.0) -> [11.5.1](https://github.com/grafana/grafana/releases/tag/v11.5.1)
 * [Jitsi](https://github.com/jitsi/docker-jitsi-meet): [stable-9955](https://github.com/jitsi/docker-jitsi-meet/releases/tag/stable-9955) -> [stable-10008](https://github.com/jitsi/docker-jitsi-meet/releases/tag/stable-10008)
+* [Synapse Reverse Proxy Companion](https://github.com/nginx/nginx): [1.27.3-alpine](https://github.com/nginx/nginx/releases/tag/release-1.27.3) -> [1.27.4-alpine](https://github.com/nginx/nginx/releases/tag/release-1.27.4)
 * [Traefik](https://github.com/traefik/traefik): [v3.3.2](https://github.com/traefik/traefik/releases/tag/v3.3.2) -> [v3.3.3](https://github.com/traefik/traefik/releases/tag/v3.3.3)
 * [Vaultwarden](https://github.com/dani-garcia/vaultwarden): [1.33.0](https://github.com/dani-garcia/vaultwarden/releases/tag/1.33.0) -> [1.33.1](https://github.com/dani-garcia/vaultwarden/releases/tag/1.33.1)
diff --git a/VERSIONS.md b/VERSIONS.md
index be3c715..c009639 100644
--- a/VERSIONS.md
+++ b/VERSIONS.md
@@ -86,7 +86,7 @@
 * Synapse Admin: v0.10.3-etke37
 * Synapse Auto Accept Invite: 1.1.3
 * Synapse Auto Compressor: v0.1.4
-* Synapse Reverse Proxy Companion: 1.27.3-alpine
+* Synapse Reverse Proxy Companion: 1.27.4-alpine
 * Synapse S3 Storage Provider: 1.5.0
 * Telegram: v0.15.2
 * Traefik: v3.3.3
diff --git a/upstream b/upstream
index d7c34a1..c03140c 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit d7c34a1f9961d083d31e7bd07dbce9b60f24e60f
+Subproject commit c03140c825f5cd65f9edcf29d3d21f12a8ada050