diff --git a/nix/sources.json b/nix/sources.json
index 814d9ad..3ddbf5c 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -11,10 +11,10 @@
         "homepage": "https://nix-community.github.io/home-manager/",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "2860d7e3bb350f18f7477858f3513f9798896831",
-        "sha256": "0zkhdf3d2pqr6lr2mibrngp0fjcpdjk9abc55kqp43mq05caq6f9",
+        "rev": "0bdbdea2e26c984b096f4f7d10e3c88536a980b0",
+        "sha256": "0kvn3fdpcy23z8rh7vi3fq31fbj9y695p5vys703zq1s1kh2744b",
         "type": "tarball",
-        "url": "https://github.com/nix-community/home-manager/archive/2860d7e3bb350f18f7477858f3513f9798896831.tar.gz",
+        "url": "https://github.com/nix-community/home-manager/archive/0bdbdea2e26c984b096f4f7d10e3c88536a980b0.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "mattermost-server": {
@@ -23,7 +23,7 @@
         "homepage": "https://mattermost.com",
         "owner": "mattermost",
         "repo": "mattermost-server",
-        "rev": "d6e32669474bef5ca9097349871343924b635176",
+        "rev": "ec91ca46ff772de745c839bd4e7037d5424e5fc4",
         "sha256": "1ch9ihyx4p2yb2kmvwxy16v5979pr0777kh3ibj747llpjh5wm8q",
         "type": "tarball",
         "url": "https://github.com/mattermost/mattermost-server/archive/refs/tags/v6.5.0.tar.gz",
@@ -43,10 +43,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "9cb7ef336bb71fd1ca84fc7f2dff15ef4b033f2a",
-        "sha256": "1ajyqr8zka1zlb25jx1v4xys3zqmdy3prbm1vxlid6ah27a8qnzh",
+        "rev": "df49d53b71ad5b6b5847b32e5254924d60703c46",
+        "sha256": "1j5p8mi1wi3pdcq0lfb881p97i232si07nb605dl92cjwnira88c",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/9cb7ef336bb71fd1ca84fc7f2dff15ef4b033f2a.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/df49d53b71ad5b6b5847b32e5254924d60703c46.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nix-hexchen": {
@@ -75,10 +75,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "47cd6702934434dd02bc53a67dbce3e5493e33a2",
-        "sha256": "1rvp9gx7n0gppc86bcysaybw79zl3y8yninsgz6rawdjprzvg7y6",
+        "rev": "ccb90fb9e11459aeaf83cc28d5f8910816d90dd0",
+        "sha256": "1jlyhw5nf7pcxg22k1bwkv13vm02p86d7jf6znihl3hczz1yfgi0",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/47cd6702934434dd02bc53a67dbce3e5493e33a2.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/ccb90fb9e11459aeaf83cc28d5f8910816d90dd0.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-unstable": {
@@ -87,10 +87,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "062a0c5437b68f950b081bbfc8a699d57a4ee026",
-        "sha256": "0vfd7g1gwy9lcnnv8kclqr68pndd9sg0xq69h465zbbzb2vnijh9",
+        "rev": "bc4b9eef3ce3d5a90d8693e8367c9cbfc9fc1e13",
+        "sha256": "0mrpsl0554fzk04asz0nmyxf6ny1syd9qzrh37vz85bpq8wi21dx",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/062a0c5437b68f950b081bbfc8a699d57a4ee026.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/bc4b9eef3ce3d5a90d8693e8367c9cbfc9fc1e13.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "workadventure": {