diff --git a/nix/sources.json b/nix/sources.json
index 4292f34..1a2e36c 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -15,7 +15,7 @@
         "branch": "master",
         "ref": "master",
         "repo": "https://git.immae.eu/perso/Immae/Config/Nix.git",
-        "rev": "238587099b92027ad780053f0f6217ad88b61ad2",
+        "rev": "0966f95c6968963988d7ebc846eb0e6087091acc",
         "type": "git"
     },
     "niv": {
@@ -24,17 +24,17 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "3cd7914b2c4cff48927e11c216dadfab7d903fe5",
-        "sha256": "1agq4nvbhrylf2s77kb4xhh9k7xcwdwggq764k4jgsbs70py8cw3",
+        "rev": "af958e8057f345ee1aca714c1247ef3ba1c15f5e",
+        "sha256": "1qjavxabbrsh73yck5dcq8jggvh3r2jkbr6b5nlz5d9yrqm9255n",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/3cd7914b2c4cff48927e11c216dadfab7d903fe5.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/af958e8057f345ee1aca714c1247ef3ba1c15f5e.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nix-hexchen": {
         "branch": "main",
         "ref": "main",
         "repo": "https://gitlab.com/hexchen/nixfiles.git",
-        "rev": "412491716b9a64dd4f436d9949cb7c26b669519c",
+        "rev": "d2171dfe8d6bfc8be6d08efd8de890ac58bc30b3",
         "type": "git"
     },
     "nixos-mailserver": {
@@ -52,10 +52,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "85abeab48b5feda4b163e5bb32f50aad1164e415",
-        "sha256": "1nslb5p6cf5z691pf52j8bf880sdgav1fcf7bxjk3rad92bniq5g",
+        "rev": "2b9daa020d40aac9d6ff3d1941d22acf4a3e9229",
+        "sha256": "0kh2h5cbyxijy9i0mzmfzvma0qnp9zj0p3lbmy5imw2429jdpnx7",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/85abeab48b5feda4b163e5bb32f50aad1164e415.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/2b9daa020d40aac9d6ff3d1941d22acf4a3e9229.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-unstable": {
@@ -64,17 +64,17 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "891f607d5301d6730cb1f9dcf3618bcb1ab7f10e",
-        "sha256": "1cr39f0sbr0h5d83dv1q34mcpwnkwwbdk5fqlyqp2mnxghzwssng",
+        "rev": "7cbec40a09533dd9c525d6ab94dddfe77768101a",
+        "sha256": "006fns0kxs9n32cg6f4p0zyaxxsyidwsa152flpsbaky1c6drn96",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/891f607d5301d6730cb1f9dcf3618bcb1ab7f10e.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/7cbec40a09533dd9c525d6ab94dddfe77768101a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "pbb-nixfiles": {
         "branch": "main",
         "ref": "main",
         "repo": "https://git.petabyte.dev/petabyteboy/nixfiles.git",
-        "rev": "0720c5dba283d782f2f887bf97aad339137d95dc",
+        "rev": "173c919fc4666225e502413e89a8c8eeb8649af3",
         "type": "git"
     }
 }