diff --git a/flake.lock b/flake.lock
index 47aaaf0..9dbc979 100644
--- a/flake.lock
+++ b/flake.lock
@@ -8,11 +8,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1650481854,
-        "narHash": "sha256-CZQLigKovJbMoTbPuWT3SBSMymjD58m72O/oy+HilQg=",
+        "lastModified": 1656104701,
+        "narHash": "sha256-XulD3y2wTN6gwoOmdUnUj7euFQ6lMB9+LEvbj2QSGEw=",
         "owner": "nix-community",
         "repo": "comma",
-        "rev": "034a9ca440370fc1eccbed43ff345fb6ea1f0d27",
+        "rev": "af2f2904f165f7bb56f0baca7135e75923c2bc1a",
         "type": "github"
       },
       "original": {
@@ -24,11 +24,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1648199409,
-        "narHash": "sha256-JwPKdC2PoVBkG6E+eWw3j6BMR6sL3COpYWfif7RVb8Y=",
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "64a525ee38886ab9028e6f61790de0832aa3ef03",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
         "type": "github"
       },
       "original": {
@@ -44,11 +44,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1654113405,
-        "narHash": "sha256-VpK+0QaWG2JRgB00lw77N9TjkE3ec0iMYIX1TzGpxa4=",
+        "lastModified": 1655880690,
+        "narHash": "sha256-pO+EqUefNFolIWV1DHXPfI8NuUtD4fd7JFKoaCjVXOs=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "ac2287df5a2d6f0a44bbcbd11701dbbf6ec43675",
+        "rev": "a839432a5c3d2a762d68168093349097e6affb07",
         "type": "github"
       },
       "original": {
@@ -66,11 +66,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1650101877,
-        "narHash": "sha256-IYxYc5Z1ZHQDTQbTWsOZ9HlZepsVjgV5oZwmbKzxSJs=",
+        "lastModified": 1653413650,
+        "narHash": "sha256-wojDHjb+eU80MPH+3HQaK0liUy8EgR95rvmCl24i58Y=",
         "owner": "nix-community",
         "repo": "naersk",
-        "rev": "8cc379478819e6a22ce7595a761fe1e17c8d7458",
+        "rev": "69daaceebe12c070cd5ae69ba38f277bbf033695",
         "type": "github"
       },
       "original": {
@@ -82,11 +82,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1650109093,
-        "narHash": "sha256-tqlnKrAdJktRLXTou9le0oTqrYBAFpGscV5RADdpArU=",
+        "lastModified": 1654398695,
+        "narHash": "sha256-Kw/KeoFXszNsF5mORP45mrxCP+k9Aq03hWcuWCL9sdI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "faad370edcb37162401be50d45526f52bb16a713",
+        "rev": "c5d810f4c74c824ae0fb788103003c6c9d366a08",
         "type": "github"
       },
       "original": {
@@ -114,11 +114,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1654230545,
-        "narHash": "sha256-8Vlwf0x8ow6pPOK2a04bT+pxIeRnM1+O0Xv9/CuDzRs=",
+        "lastModified": 1655983783,
+        "narHash": "sha256-0h1FzkYWei24IdKNpCX93onkF/FMiXQG8SdEbTc0r8A=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "236cc2971ac72acd90f0ae3a797f9f83098b17ec",
+        "rev": "6141b8932a5cf376fe18fcd368cecd9ad946cb68",
         "type": "github"
       },
       "original": {
@@ -130,11 +130,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1654181793,
-        "narHash": "sha256-kP4m7ZgFYj8fh7oW2L0uW0sJw/e0k1HY26HYJcvNEKM=",
+        "lastModified": 1656007306,
+        "narHash": "sha256-MsC44YZ6wuBwn5Bu8T+RVoQWlp2l5BR6hhmNoAAHIEw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "40e2b1ae0535885507ab01d7a58969934cf2713c",
+        "rev": "ccf8bdf72624521358be6bb7d9b524c4cbcf7aff",
         "type": "github"
       },
       "original": {
@@ -146,11 +146,11 @@
     },
     "nurpkgs": {
       "locked": {
-        "lastModified": 1654315625,
-        "narHash": "sha256-6fjodiKyTa15g4Q7K62ROiYEgiyzmj9aVyAHUPQz8m0=",
+        "lastModified": 1656151287,
+        "narHash": "sha256-1IUl/yzY7h+NQu5Po4inDoq7q/VyhSuaKL9Ejwn7lWw=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "4f0c24a4790a02f943fcaeb47823fc035d7b4184",
+        "rev": "9f490326a424bfe5563cc4b74621195aa9548d89",
         "type": "github"
       },
       "original": {
@@ -171,11 +171,11 @@
     },
     "utils": {
       "locked": {
-        "lastModified": 1649676176,
-        "narHash": "sha256-OWKJratjt2RW151VUlJPRALb7OU2S5s+f0vLj4o1bHM=",
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "a4b154ebbdc88c8498a5c7b01589addc9e9cb678",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
         "type": "github"
       },
       "original": {
diff --git a/src/nix/system/pkg-config.nix b/src/nix/system/pkg-config.nix
new file mode 100644
index 0000000..cc0d6d6
--- /dev/null
+++ b/src/nix/system/pkg-config.nix
@@ -0,0 +1,5 @@
+{ pkgs, ... }: {
+  environment.systemPackages = [
+    pkgs.pkg-config
+  ];
+}