diff --git a/config/hosts/wind/data/secrets/secrets.nix b/config/hosts/wind/data/secrets/secrets.nix
index 7b552e0..d95a37c 100644
Binary files a/config/hosts/wind/data/secrets/secrets.nix and b/config/hosts/wind/data/secrets/secrets.nix differ
diff --git a/config/hosts/wind/services/borg.nix b/config/hosts/wind/services/borg.nix
index 9c22666..7b8822e 100644
--- a/config/hosts/wind/services/borg.nix
+++ b/config/hosts/wind/services/borg.nix
@@ -12,5 +12,25 @@
 			startAt = "*-*-* 02:15:00";
 			user = "gitea";
 		};
+		postgres = {
+			paths = "/var/lib/postgresql/backup";
+			repo = "ssh://borg@despondos.nao.sh//mnt/slab/backup/wind/postgres";
+			encryption.mode = "repokey";
+			encryption.passCommand = "cat ${config.secrets.files.borg_pass_postgres.file}";
+			environment.BORG_RSH = "ssh -i ${config.secrets.files.ssh_key_postgres.file}";
+			compression = "auto,zstd";
+			startAt = "*-*-* 03:15:00";
+			user = "postgres";
+		};
+		synapse = {
+			paths = "/var/lib/matrix-synapse";
+			repo = "ssh://borg@despondos.nao.sh//mnt/slab/backup/wind/synapse";
+			encryption.mode = "repokey";
+			encryption.passCommand = "cat ${config.secrets.files.borg_pass_synapse.file}";
+			environment.BORG_RSH = "ssh -i ${config.secrets.files.ssh_key_synapse.file}";
+			compression = "auto,zstd";
+			startAt = "*-*-* 03:15:00";
+			user = "matrix-synapse";
+		};
 	};
 }
diff --git a/config/sources/nix/sources.json b/config/sources/nix/sources.json
index fe11bbb..73f29b7 100644
--- a/config/sources/nix/sources.json
+++ b/config/sources/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "0ebb80e003c26d5388a9b74645fbdcfca3bdd0ef",
-        "sha256": "0wpnk1n4vjyqwjjrm6dvkyh7xr7983rszfhfcg31v106qhfnh41c",
+        "rev": "914aba08a26cb10538b84d00d6cfb01c9776d80c",
+        "sha256": "0gx316gc7prjay5b0cr13x4zc2pdbiwxkfkpjvrlb2rml80lm4pm",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/0ebb80e003c26d5388a9b74645fbdcfca3bdd0ef.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/914aba08a26cb10538b84d00d6cfb01c9776d80c.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixos-hardware": {
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "083cb1a04d196e35b9c8293a379266c854e284c1",
-        "sha256": "0fl9cq9h8i0dc50b1h0snmmcb3vsxz4d14jzsjw4ixfd2bm4dl0n",
+        "rev": "c38961c681b546eb4bedc6ea6e5fb19b012a1612",
+        "sha256": "1xvf4q67k3wvq1y9wbm0mnmxpixm6ljniqagn5rbwmh0vd5gggrx",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/083cb1a04d196e35b9c8293a379266c854e284c1.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/c38961c681b546eb4bedc6ea6e5fb19b012a1612.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixus": {