diff --git a/nix/sources.json b/nix/sources.json
index 473d510..ab055f1 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -23,10 +23,10 @@
         "homepage": "https://mattermost.com",
         "owner": "mattermost",
         "repo": "mattermost-server",
-        "rev": "7d89f8bc6ef757877572ef12f3c3c018858318d6",
-        "sha256": "18ip32asar8c34zhnf29v3a66a433443pz7rxa2f4vnp0ri1jil6",
+        "rev": "53f27e28604e0dce90c8b549ce243bd76a0fa856",
+        "sha256": "15q5j29v7nk570qdnqy73adlvjgr6zm5rk79r5pf4hgf4d37skp0",
         "type": "tarball",
-        "url": "https://github.com/mattermost/mattermost-server/archive/7d89f8bc6ef757877572ef12f3c3c018858318d6.tar.gz",
+        "url": "https://github.com/mattermost/mattermost-server/archive/53f27e28604e0dce90c8b549ce243bd76a0fa856.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
         "version": "5.34.2"
     },
@@ -49,16 +49,16 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "af958e8057f345ee1aca714c1247ef3ba1c15f5e",
-        "sha256": "1qjavxabbrsh73yck5dcq8jggvh3r2jkbr6b5nlz5d9yrqm9255n",
+        "rev": "94080ae8286024820c570a2a24ed7c36d7ad04a9",
+        "sha256": "0wlk52zwlrq727x3z1vg9d9qq4zw62ab5jzg4068iqb6hyb0cr0w",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/af958e8057f345ee1aca714c1247ef3ba1c15f5e.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/94080ae8286024820c570a2a24ed7c36d7ad04a9.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nix-hexchen": {
         "branch": "main",
         "repo": "https://gitlab.com/hexchen/nixfiles.git",
-        "rev": "2dfbd032f05ad79176a5756cd76dbda4a828e4d8",
+        "rev": "1dee1474f147ce8d04ec4b200df1c6255ae59bdc",
         "type": "git"
     },
     "nixos-mailserver": {
@@ -76,10 +76,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "be58d0fbaa401922a090735edfc08442aed69b47",
-        "sha256": "0y1a2b1kdn080w8iy6clsi3pp7z2ag1qzkczixbw6b8h9p0km646",
+        "rev": "327368f98c6a927a84aed3c2f2fd1a7f6983e855",
+        "sha256": "153qm1chir2kzd98dxg35afn1ybzlwfpx9n2mps08ssmaj1zxzvi",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/be58d0fbaa401922a090735edfc08442aed69b47.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/327368f98c6a927a84aed3c2f2fd1a7f6983e855.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-unstable": {
@@ -88,24 +88,24 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "8e4fe32876ca15e3d5eb3ecd3ca0b224417f5f17",
-        "sha256": "1l7bnn2mlwmbi6s9kqa1g2i66arzshqijym1qmqq5417q5pq1da7",
+        "rev": "ca26ea50d66737922d0edfaaf07449576ece7f8c",
+        "sha256": "186fnj3dzv07bh5mh5wcw2lzcs9nidpvg48814xz2z78ifv09w2f",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/8e4fe32876ca15e3d5eb3ecd3ca0b224417f5f17.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/ca26ea50d66737922d0edfaaf07449576ece7f8c.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "papermc": {
         "rev": "1.16.5",
-        "sha256": "08nfn417syh680nb1cp59smlvwir33r7fiwwhf3kl2x38nwrzgrl",
+        "sha256": "0vmjcq87lzs8d49s3s0rbmzjk8d8ikvkk77bzhn59mgfkyrh98bc",
         "type": "file",
-        "url": "https://papermc.io/api/v2/projects/paper/versions/1.16.5/builds/638/downloads/paper-1.16.5-638.jar",
+        "url": "https://papermc.io/api/v2/projects/paper/versions/1.16.5/builds/669/downloads/paper-1.16.5-669.jar",
         "url_template": "https://papermc.io/api/v2/projects/paper/versions/<rev>/builds/<version>/downloads/paper-<rev>-<version>.jar",
-        "version": "638"
+        "version": "669"
     },
     "pbb-nixfiles": {
         "branch": "main",
         "repo": "https://git.petabyte.dev/petabyteboy/nixfiles.git",
-        "rev": "fbb5aebfcc93383089e1f3d1b1cd07a6d3bab39f",
+        "rev": "66f890a5f66db574fad2967dab2ee6755bed056f",
         "type": "git"
     },
     "workadventure": {