1 files changed, 24 insertions, 0 deletions
diff --git a/packages/overlays/matrix-synapse/patches/0012-Devenv-use-postgres-17.patch b/packages/overlays/matrix-synapse/patches/0012-Devenv-use-postgres-17.patch
new file mode 100644
index 0000000..0e78105
--- /dev/null
+++ b/packages/overlays/matrix-synapse/patches/0012-Devenv-use-postgres-17.patch
@@ -0,0 +1,24 @@
+From 8fefc1ece0f73ab4e4867cbb4cc1511dc7faa56f Mon Sep 17 00:00:00 2001
+From: Rory& <root@rory.gay>
+Date: Fri, 25 Jul 2025 08:25:28 +0200
+Subject: [PATCH 12/14] Devenv: use postgres 17
+
+---
+ flake.nix | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/flake.nix b/flake.nix
+index 76b3c1a4b0..cc41490a41 100644
+--- a/flake.nix
++++ b/flake.nix
+@@ -157,6 +157,7 @@
+                 # Postgres is needed to run Synapse with postgres support and
+                 # to run certain unit tests that require postgres.
+                 services.postgres.enable = true;
++                services.postgres.package = pkgs.postgresql_17;
+ 
+                 # On the first invocation of `devenv up`, create a database for
+                 # Synapse to store data in.
+-- 
+2.49.0
+