diff --git a/flake.lock b/flake.lock
index 5bb3f18..8aa4fca 100644
--- a/flake.lock
+++ b/flake.lock
@@ -44,11 +44,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1744743431,
-        "narHash": "sha256-iyn/WBYDc7OtjSawbegINDe/gIkok888kQxk3aVnkgg=",
+        "lastModified": 1745557122,
+        "narHash": "sha256-eqSo9ugzsqhFgaDFYUZj943nurlX4L6f+AW0skJ4W+M=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "c61bfe3ae692f42ce688b5865fac9e0de58e1387",
+        "rev": "dd26f75fb4ec1c731d4b1396eaf4439ce40a91c1",
         "type": "github"
       },
       "original": {
@@ -60,11 +60,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1744440957,
-        "narHash": "sha256-FHlSkNqFmPxPJvy+6fNLaNeWnF1lZSgqVCl/eWaJRc4=",
+        "lastModified": 1745868005,
+        "narHash": "sha256-hZScOyQphT4RUmSEJX+2OxjIlGgLwSd8iW1LNtAWIOs=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "26d499fc9f1d567283d5d56fcf367edd815dba1d",
+        "rev": "330d0a4167924b43f31cc9406df363f71b768a02",
         "type": "github"
       },
       "original": {
@@ -76,11 +76,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1744463964,
-        "narHash": "sha256-LWqduOgLHCFxiTNYi3Uj5Lgz0SR+Xhw3kr/3Xd0GPTM=",
+        "lastModified": 1745794561,
+        "narHash": "sha256-T36rUZHUART00h3dW4sV5tv4MrXKT7aWjNfHiZz7OHg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2631b0b7abcea6e640ce31cd78ea58910d31e650",
+        "rev": "5461b7fa65f3ca74cef60be837fd559a8918eaa0",
         "type": "github"
       },
       "original": {
diff --git a/noah-home.nix b/noah-home.nix
index 7e96f32..c4ade4c 100644
--- a/noah-home.nix
+++ b/noah-home.nix
@@ -6,6 +6,14 @@
   home.homeDirectory = "/Users/noah";
   nix = {
     package = pkgs.nix;
+    settings = {
+      substituters = [
+        "http://cache.misaki.local"
+      ];
+      trusted-public-keys = [
+        "misaki.packetlost.dev:y5Z/utaVBozpL0UAbUQDWLjpm2sVMOoKzyG76n/167A="
+      ];
+    };
   };
   home.packages = with pkgs; [
     # main tool
@@ -46,9 +54,9 @@
     unstable.glow
     unstable.vis
     # Tcl/Tk
-    unstable.tcl
-    unstable.tk
-    unstable.tclPackages.tclx
+    #unstable.tcl
+    #unstable.tk
+    #unstable.tclPackages.tclx
 
 
     # Dev tools
@@ -56,7 +64,7 @@
     unstable.ruff
     # Rust REPL
     evcxr
-    unstable.gcc
+    #unstable.gcc
     swift
     swift-format
     sourcekit-lsp
@@ -64,31 +72,31 @@
     unstable.go
     unstable.gopls
     gnumake
-    unstable.babashka
+    #unstable.babashka
     ccls
-    unstable.clojure
-    unstable.cljfmt
-    unstable.clojure-lsp
-    unstable.janet
-    unstable.jpm
+    #unstable.clojure
+    #unstable.cljfmt
+    #unstable.clojure-lsp
+    #unstable.janet
+    #unstable.jpm
     unstable.fennel-ls
-    graalvm-ce
+    #graalvm-ce
     cmake
     ctags
-    kotlin
-    nodejs
+    #kotlin
+    #nodejs
     yarn
-    node2nix
-    opam
+    #node2nix
+    #opam
     # Scala stuff
-    unstable.scala_3
-    unstable.scalafmt
-    unstable.metals
+    #unstable.scala_3
+    #unstable.scalafmt
+    #unstable.metals
     # Scala / Java build tool
-    unstable.sbt
+    #unstable.sbt
     # Haskell
-    cabal-install
-    ghc
+    #cabal-install
+    #ghc
 
     # Lua
     luarocks
@@ -97,24 +105,25 @@
     luaformatter
     libressl
     # Erlang
-    erlang
-    elixir
+    #erlang
+    #elixir
     nil # nix language server
     typescript
     # This is currently broken
     #vscode-langservers-extracted
     scdoc
     dockerfile-language-server-nodejs
-    yaml-language-server
+    # BROKEN
+    #yaml-language-server
     mkcert
     natscli
     python312Full
     python312Packages.psycopg
     unstable.uv
     sqlite
-    unstable.gleam
-    unstable.rebar3
-    unstable.flyctl
+    #unstable.gleam
+    #unstable.rebar3
+    #unstable.flyctl
     unstable.bun
     unstable.gh
     unstable.kraft
@@ -125,12 +134,12 @@
 
     # Python dev tools
     ruff-lsp
-    pyright
-    python311Packages.python-lsp-server
-    python311Packages.python-lsp-ruff
+    unstable.pyright
+    unstable.python311Packages.python-lsp-server
+    unstable.python311Packages.python-lsp-ruff
 
     # JavaScript tools
-    unstable.typescript-language-server
+    typescript-language-server
 
     # Certificate Management
     minica
@@ -216,7 +225,7 @@
         algorithm = "histogram";
         colorMoved = "plain";
         mnemonicPrefix = true;
-        renames =  true;
+        renames = true;
       };
       fetch = {
         prune = true;
@@ -252,7 +261,8 @@
     ];
   };
   programs.aerc = {
-    enable = true;
+    # BROKEN
+    enable = false;
   };
   programs.ssh = {
     enable = true;