diff --git a/overlays/default.nix b/overlays/default.nix
index 37b6905..e463550 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -7,7 +7,7 @@ let
   #tailscale = import ./tailscale.nix;
   #jetbrains = prIsOpen 232308 (import ./jetbrains.nix);
   #tidal-hifi = prIsOpen 228552 (import ./tidal-hifi.nix { inherit lib; });
-  matrix-synapse = prIsOpen.overlay 0 (import ./matrix-synapse.nix);
+  matrix-synapse = prIsOpen.overlay 236474 (import ./matrix-synapse.nix);
 in {
   nixpkgs.overlays =
     if isUnstable then [ _1password-gui ] else [ matrix-synapse ];
diff --git a/pull_requests/236474.json b/pull_requests/236474.json
new file mode 100644
index 0000000..0333e0b
--- /dev/null
+++ b/pull_requests/236474.json
@@ -0,0 +1,8 @@
+{
+  "branches": [],
+  "pull_request": 236474,
+  "release": "stable",
+  "status": "open",
+  "status_info": {},
+  "title": "matrix-synapse: 1.84.1 -> 1.85.1"
+}