diff --git a/flake.lock b/flake.lock
index eddbb74..de477ce 100644
--- a/flake.lock
+++ b/flake.lock
@@ -92,16 +92,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1688939073,
-        "narHash": "sha256-jYhYjeK5s6k8QS3i+ovq9VZqBJaWbxm7awTKNhHL9d0=",
+        "lastModified": 1704874635,
+        "narHash": "sha256-YWuCrtsty5vVZvu+7BchAxmcYzTMfolSPP5io8+WYCg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8df7a67abaf8aefc8a2839e0b48f92fdcf69a38b",
+        "rev": "3dc440faeee9e889fe2d1b4d25ad0f430d449356",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-23.05",
+        "ref": "nixos-23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 4b61720..43c862a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
     flake-utils.url = "github:numtide/flake-utils";
 
     tinycmmc.url = "github:grumbel/tinycmmc";
diff --git a/sdl-jstest.nix b/sdl-jstest.nix
index 901859e..726547b 100644
--- a/sdl-jstest.nix
+++ b/sdl-jstest.nix
@@ -6,7 +6,7 @@
 , SDL2
 , ncurses
 , cmake
-, pkgconfig
+, pkg-config
 , appstream-glib
 , mcfgthreads
 
@@ -49,7 +49,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [