diff --git a/flake.nix b/flake.nix
index be8c3c7..248ae45 100644
--- a/flake.nix
+++ b/flake.nix
@@ -34,8 +34,9 @@
           packageOverrides = pkgs:
             let sources = import ./npins;
             in {
-              agenix = agenix.packages.x86_64-linux.default; # TODO: This should check the host architecture
+              agenix = (import sources.agenix { inherit pkgs; }).agenix;
               nur = (import sources.nur { inherit pkgs; });
+              vscode-extensions = (import sources.nix-vscode-extensions).extensions.x86_64-linux; # TODO: This should check the host architecture
             };
         };
 
diff --git a/home/vscode.nix b/home/vscode.nix
index d081191..bb4c548 100644
--- a/home/vscode.nix
+++ b/home/vscode.nix
@@ -2,27 +2,16 @@
 
 let
   inherit (lib) mkIf;
-  inherit (pkgs) fetchFromGitHub;
-  system = "x86_64-linux"; # TODO: This should check the host architecture
-  extensions =
-    (import (fetchFromGitHub {
-      # On a stable channel, do NOT keep this up-to-date! VS Code extensions
-      # have breaking changes more frequently than the NixOS release cadence.
-      owner = "nix-community";
-      repo = "nix-vscode-extensions";
-      rev = "27ce569a199d2da1a8483fe3d69dd41664da3a63";
-      hash = "sha256-yyB4Kh3EFbYP+1JHza/IEeHwABypcYVi6vvWTmad/rY=";
-    })).extensions.${system};
 in {
   programs.vscode = {
     enableExtensionUpdateCheck = false;
     enableUpdateCheck = false;
     package = pkgs.vscodium;
-    extensions = with extensions.open-vsx; [
-      golang.go
-      jdinhlife.gruvbox
-      jnoortheen.nix-ide
-      ms-python.python
+    extensions = with pkgs.vscode-extensions; [
+      open-vsx.golang.go
+      open-vsx.jdinhlife.gruvbox
+      open-vsx.jnoortheen.nix-ide
+      open-vsx.ms-python.python
     ];
     mutableExtensionsDir = false;
     userSettings = {
diff --git a/npins/sources.json b/npins/sources.json
index 7110f10..fc17a6d 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -1,5 +1,32 @@
 {
   "pins": {
+    "agenix": {
+      "type": "GitRelease",
+      "repository": {
+        "type": "GitHub",
+        "owner": "ryantm",
+        "repo": "agenix"
+      },
+      "pre_releases": false,
+      "version_upper_bound": null,
+      "release_prefix": null,
+      "version": "0.15.0",
+      "revision": "564595d0ad4be7277e07fa63b5a991b3c645655d",
+      "url": "https://api.github.com/repos/ryantm/agenix/tarball/0.15.0",
+      "hash": "01dhrghwa7zw93cybvx4gnrskqk97b004nfxgsys0736823956la"
+    },
+    "nix-vscode-extensions": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "nix-community",
+        "repo": "nix-vscode-extensions"
+      },
+      "branch": "master",
+      "revision": "27ce569a199d2da1a8483fe3d69dd41664da3a63",
+      "url": "https://github.com/nix-community/nix-vscode-extensions/archive/27ce569a199d2da1a8483fe3d69dd41664da3a63.tar.gz",
+      "hash": "1dpykmk4xmpvx9i8awd93h0g1q8ir2pwsisjzc7vc5f43lm7h86b"
+    },
     "nur": {
       "type": "Git",
       "repository": {