diff --git a/pkgs/development/tools/tailwindcss_4/default.nix b/pkgs/development/tools/tailwindcss_4/default.nix
new file mode 100644
index 000000000000..14373e79c206
--- /dev/null
+++ b/pkgs/development/tools/tailwindcss_4/default.nix
@@ -0,0 +1,64 @@
+{
+  lib,
+  stdenv,
+  fetchurl,
+  runCommand,
+  tailwindcss_4,
+}:
+let
+  version = "4.0.4";
+  inherit (stdenv.hostPlatform) system;
+  throwSystem = throw "tailwindcss has not been packaged for ${system} yet.";
+
+  plat =
+    {
+      aarch64-darwin = "macos-arm64";
+      aarch64-linux = "linux-arm64";
+      x86_64-darwin = "macos-x64";
+      x86_64-linux = "linux-x64";
+    }
+    .${system} or throwSystem;
+
+  hash =
+    {
+      aarch64-darwin = "sha256-hH9+h6jtXS9uT5mujDRTtjRM2onG8ZQsexOlMaIoXv4=";
+      aarch64-linux = "sha256-wFUHnzVrwg/NsWEKHXMvgHSX8AuXUgwcktBt8fahu3A=";
+      x86_64-darwin = "sha256-iMPHW3snWY9nWgRv6+0IS3Zh29LC0kYmzfwOcJM8xN0=";
+      x86_64-linux = "sha256-ni5tivbbuV3U31ydmd9jBLBd8dH3cAAPFwSHmRAXubQ=";
+    }
+    .${system} or throwSystem;
+in
+stdenv.mkDerivation {
+  inherit version;
+  pname = "tailwindcss_4";
+
+  src = fetchurl {
+    url =
+      "https://github.com/tailwindlabs/tailwindcss/releases/download/v${version}/tailwindcss-" + plat;
+    inherit hash;
+  };
+
+  dontUnpack = true;
+  dontConfigure = true;
+  dontBuild = true;
+  dontFixup = true;
+
+  installPhase = ''
+    install -D $src $out/bin/tailwindcss
+  '';
+
+  passthru.tests.helptext = runCommand "tailwindcss-test-helptext" { } ''
+    ${tailwindcss_4}/bin/tailwindcss --help > $out
+  '';
+  passthru.updateScript = ./update.sh;
+
+  meta = with lib; {
+    description = "Command-line tool for the CSS framework with composable CSS classes, standalone v4 CLI";
+    homepage = "https://tailwindcss.com/blog/tailwindcss-v4";
+    license = licenses.mit;
+    sourceProvenance = [ sourceTypes.binaryNativeCode ];
+    maintainers = [ maintainers.adamjhf ];
+    mainProgram = "tailwindcss";
+    platforms = platforms.darwin ++ platforms.linux;
+  };
+}
diff --git a/pkgs/development/tools/tailwindcss_4/update.sh b/pkgs/development/tools/tailwindcss_4/update.sh
new file mode 100755
index 000000000000..bcf057e6e9b9
--- /dev/null
+++ b/pkgs/development/tools/tailwindcss_4/update.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl gnused jq nix-prefetch
+set -eou pipefail
+
+ROOT="$(dirname "$(readlink -f "$0")")"
+
+CURRENT_VERSION=$(nix-instantiate --eval --strict --json -A tailwindcss.version . | jq -r .)
+LATEST_VERSION=$(curl --fail --silent https://api.github.com/repos/tailwindlabs/tailwindcss/releases/latest | jq --raw-output .tag_name | sed 's/v//')
+sed -i "s/version = \".*\"/version = \"${LATEST_VERSION}\"/" "$ROOT/default.nix"
+
+if [ "$CURRENT_VERSION" = "$LATEST_VERSION" ]; then
+    echo "tailwindcss already at latest version $CURRENT_VERSION, exiting"
+    exit 0
+fi
+
+function updatePlatform() {
+    NIXPLAT=$1
+    TAILWINDPLAT=$2
+    echo "Updating tailwindcss for $NIXPLAT"
+
+    URL="https://github.com/tailwindlabs/tailwindcss/releases/download/v${LATEST_VERSION}/tailwindcss-${TAILWINDPLAT}"
+    HASH=$(nix hash to-sri --type sha256 "$(nix-prefetch-url --type sha256 "$URL")")
+
+    sed -i "s,$NIXPLAT = \"sha256.*\",$NIXPLAT = \"${HASH}\"," "$ROOT/default.nix"
+}
+
+updatePlatform aarch64-darwin macos-arm64
+updatePlatform aarch64-linux linux-arm64
+updatePlatform x86_64-darwin macos-x64
+updatePlatform x86_64-linux linux-x64
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7e7a7b20e32e..52b8bf7f5f19 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1085,6 +1085,8 @@ with pkgs;
 
   tailwindcss = callPackage ../development/tools/tailwindcss { };
 
+  tailwindcss_4 = callPackage ../development/tools/tailwindcss_4 { };
+
   ufolint = with python3Packages; toPythonApplication ufolint;
 
   valeronoi = qt6Packages.callPackage ../tools/misc/valeronoi { };