diff --git a/nix/base-system/flake.nix b/nix/base-system/flake.nix
index e23a9bf..cbb656f 100644
--- a/nix/base-system/flake.nix
+++ b/nix/base-system/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/release-23.05";
+    nixpkgs.url = "github:nixos/nixpkgs/release-23.11";
     sile-flake.url = "github:sile-typesetter/sile";
     durnitisp-flake.url = "github:zaphar/durnitisp";
     runwhen-flake.url = "github:zaphar/runwhen";
@@ -8,7 +8,6 @@
     nurl-flake.url = "github:nix-community/nurl";
     nil-flake = {
       url = "github:oxalica/nil";
-      #inputs.nixpkgs.follows = "nixpkgs";
     };
     rust-overlay-flake = {
       url = "github:oxalica/rust-overlay";
@@ -63,7 +62,7 @@
           "tree-sitter-ocaml"
           "tree-sitter-tlaplus"
           "tree-sitter-julia"
-        ] pkgs.tree-sitter.builtGrammars) ++ [nvim-treesitter-csharp nvim-treesitter-powershell]; 
+        ] pkgs.tree-sitter.builtGrammars) ++ [nvim-treesitter-csharp]; 
 	in {
       
       imports = [
diff --git a/nix/darwin/flake.lock b/nix/darwin/flake.lock
index 81adde1..fcc4b59 100644
--- a/nix/darwin/flake.lock
+++ b/nix/darwin/flake.lock
@@ -36,12 +36,12 @@
       },
       "locked": {
         "lastModified": 1,
-        "narHash": "sha256-SbhOVB9/kEyllgEb6fB4ZtjP/0HwL9YmQAVLkblF4gA=",
-        "path": "/nix/store/ahbdwscz6zwdbwa1qnhpch2639qgmjgg-source/nix/base-system",
+        "narHash": "sha256-gY/UmhMD8nqDNfIBaVXOUoI/LbO2iVVMhl7c2/Fw1X4=",
+        "path": "/nix/store/qz9y9n4cw4ls0wzkkdacbx73a7wqzvf1-source/nix/base-system",
         "type": "path"
       },
       "original": {
-        "path": "/nix/store/ahbdwscz6zwdbwa1qnhpch2639qgmjgg-source/nix/base-system",
+        "path": "/nix/store/qz9y9n4cw4ls0wzkkdacbx73a7wqzvf1-source/nix/base-system",
         "type": "path"
       }
     },
@@ -513,16 +513,16 @@
     },
     "nixpkgs_9": {
       "locked": {
-        "lastModified": 1700682076,
-        "narHash": "sha256-+v5Q0qDioOXNuih+mmiwpyw8vdFy6WG13tzozG5TWxc=",
+        "lastModified": 1701389149,
+        "narHash": "sha256-rU1suTIEd5DGCaAXKW6yHoCfR1mnYjOXQFOaH7M23js=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "ee5ddacfab29812b32b5ea8c1dacdadfdf264475",
+        "rev": "5de0b32be6e85dc1a9404c75131316e4ffbc634c",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "release-23.05",
+        "ref": "release-23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/nix/darwin/flake.nix b/nix/darwin/flake.nix
index 44dbae7..dfd00ae 100644
--- a/nix/darwin/flake.nix
+++ b/nix/darwin/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/release-23.05";
+    nixpkgs.url = "github:nixos/nixpkgs/release-23.11";
     darwin.url = "github:lnl7/nix-darwin";
     base-system = {
       url = "../base-system/";