diff --git a/main/flake.lock b/main/flake.lock
index b398f91..73900fd 100644
--- a/main/flake.lock
+++ b/main/flake.lock
@@ -198,6 +198,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable-2024-04-03": {
+      "locked": {
+        "lastModified": 1712143413,
+        "narHash": "sha256-kI6WYXuj8/2AtBF4o0gYnkYNO1xtc6PaPbW/qmaV67A=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "62e885a4013446453b10fd7780eba4337f6f42e0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "62e885a4013446453b10fd7780eba4337f6f42e0",
+        "type": "github"
+      }
+    },
     "nixpkgs-unstable-2024-05-30": {
       "locked": {
         "lastModified": 1717070961,
@@ -228,6 +244,7 @@
         "nixpkgs-stable-2023-07-25": "nixpkgs-stable-2023-07-25",
         "nixpkgs-unstable-2023-10-21": "nixpkgs-unstable-2023-10-21",
         "nixpkgs-unstable-2024-02-20": "nixpkgs-unstable-2024-02-20",
+        "nixpkgs-unstable-2024-04-03": "nixpkgs-unstable-2024-04-03",
         "nixpkgs-unstable-2024-05-30": "nixpkgs-unstable-2024-05-30"
       }
     },
diff --git a/main/flake.nix b/main/flake.nix
index 195f986..f852e2c 100644
--- a/main/flake.nix
+++ b/main/flake.nix
@@ -10,6 +10,7 @@
     nixpkgs-master-2024-01-27.url = "github:nixos/nixpkgs/160b762eda6d139ac10ae081f8f78d640dd523eb";
     nixpkgs-unstable-2023-10-21.url = "github:nixos/nixpkgs/038b2922be3fc096e1d456f93f7d0f4090628729";
     nixpkgs-unstable-2024-02-20.url = "github:nixos/nixpkgs/b98a4e1746acceb92c509bc496ef3d0e5ad8d4aa";
+    nixpkgs-unstable-2024-04-03.url = "github:nixos/nixpkgs/62e885a4013446453b10fd7780eba4337f6f42e0";
     nixpkgs-unstable-2024-05-30.url = "github:nixos/nixpkgs/aa61b27554a5fc282758bf0324781e3464ef2cde";
     flake-utils.url = "github:numtide/flake-utils";
     nix-github-actions.url = "github:nix-community/nix-github-actions";
diff --git a/main/nodejs/checks.nix b/main/nodejs/checks.nix
index 854548b..5665c90 100644
--- a/main/nodejs/checks.nix
+++ b/main/nodejs/checks.nix
@@ -50,6 +50,7 @@ in
   nodejs-16-20-2 = nodeCheck { packageName = "nodejs-16-20-2"; node = "16.20.2"; yarn = "1.22.19"; pnpm = "8.5.1"; };
   nodejs-18-17-1 = nodeCheck { packageName = "nodejs-18-17-1"; node = "18.17.1"; yarn = "1.22.19"; pnpm = "8.6.12"; };
   nodejs-18-18-0 = nodeCheck { packageName = "nodejs-18-18-0"; node = "18.18.0"; yarn = "1.22.19"; pnpm = "8.8.0"; };
+  nodejs-18-19-1 = nodeCheck { packageName = "nodejs-18-19-1"; node = "18.19.1"; yarn = "1.22.22"; pnpm = "8.15.5"; };
   nodejs-18-20-2 = nodeCheck { packageName = "nodejs-18-20-2"; node = "18.20.2"; yarn = "1.22.22"; pnpm = "8.15.5"; };
   nodejs-20-11-0 = nodeCheck { packageName = "nodejs-20-11-0"; node = "20.11.0"; yarn = "1.22.19"; pnpm = "8.14.0"; };
   nodejs-20-11-1 = nodeCheck { packageName = "nodejs-20-11-1"; node = "20.11.1"; yarn = "1.22.19"; pnpm = "8.15.1"; };
diff --git a/main/nodejs/v18.nix b/main/nodejs/v18.nix
index e21170b..489dfc8 100644
--- a/main/nodejs/v18.nix
+++ b/main/nodejs/v18.nix
@@ -7,6 +7,7 @@ rec {
 
   nodejs-18-17-x = nodejs-18-17-1;
   nodejs-18-18-x = nodejs-18-18-0;
+  nodejs-18-19-x = nodejs-18-19-1;
   nodejs-18-20-x = nodejs-18-20-2;
 
   nodejs-18-17-1 = (
@@ -45,6 +46,24 @@ rec {
     }
   );
 
+  nodejs-18-19-1 = (
+    let
+      nixpkgs = import inputs.nixpkgs-unstable-2024-04-03 { inherit system; config = { }; };
+      nodejs = nixpkgs.nodejs_18;
+      yarn = nixpkgs.yarn.override { inherit nodejs; };
+      pnpm = nixpkgs.nodePackages.pnpm.override { inherit nodejs; };
+      pnpm-bin = runCommand "pnpm" { } ''
+        mkdir -p "$out/bin"
+        ln -s "${pnpm}/lib/node_modules/.bin/pnpm" "$out/bin/pnpm"
+        ln -s "${pnpm}/lib/node_modules/.bin/pnpx" "$out/bin/pnpx"
+      '';
+    in
+    symlinkJoin {
+      name = "nodejs";
+      paths = [ nodejs pnpm pnpm-bin yarn ];
+    }
+  );
+
   nodejs-18-20-2 = (
     let
       nixpkgs = import inputs.nixpkgs-unstable-2024-05-30 { inherit system; config = { }; };