diff --git a/hosts/chunk/conduwuit.nix b/hosts/chunk/conduwuit.nix
new file mode 100644
index 0000000..65c152b
--- /dev/null
+++ b/hosts/chunk/conduwuit.nix
@@ -0,0 +1,11 @@
+{pkgs, ...}: {
+  services.conduwuit = {
+    enable = true;
+    package = pkgs.callPackage ../../pkgs/conduwuit.nix {};
+    settings.global = {
+      port = [ 8448 ];
+      server_name = "cything.io";
+      allow_check_for_updates = true;
+    };
+  };
+}
diff --git a/pkgs/conduwuit.nix b/pkgs/conduwuit.nix
new file mode 100644
index 0000000..d4a83ac
--- /dev/null
+++ b/pkgs/conduwuit.nix
@@ -0,0 +1,109 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  pkg-config,
+  bzip2,
+  zstd,
+  stdenv,
+  apple-sdk_15,
+  darwinMinVersionHook,
+  rocksdb,
+  nix-update-script,
+  testers,
+  conduwuit,
+  # upstream conduwuit enables jemalloc by default, so we follow suit
+  enableJemalloc ? true,
+  rust-jemalloc-sys,
+  enableLiburing ? stdenv.hostPlatform.isLinux,
+  liburing,
+  nixosTests,
+}:
+let
+  rust-jemalloc-sys' = rust-jemalloc-sys.override {
+    unprefixed = !stdenv.hostPlatform.isDarwin;
+  };
+  rocksdb' = rocksdb.override {
+    inherit enableLiburing;
+    # rocksdb does not support prefixed jemalloc, which is required on darwin
+    enableJemalloc = enableJemalloc && !stdenv.hostPlatform.isDarwin;
+    jemalloc = rust-jemalloc-sys';
+  };
+in
+rustPlatform.buildRustPackage rec {
+  pname = "conduwuit";
+  version = "0.4.6";
+
+  src = fetchFromGitHub {
+    owner = "girlbossceo";
+    repo = "conduwuit";
+    rev = "58be22e69557f7045ad3fd433a438b33150ecd83";
+    hash = "sha256-pHMD8JRCHO0vRp7M5SPy2Ag6YbvHubwwRCjdskriN8I=";
+  };
+
+  useFetchCargoVendor = true;
+  cargoHash = "sha256-T55avmRKq3j6G+WxlTCEqTzF5Lbh0qsk9WVxocVhtIM=";
+
+  nativeBuildInputs = [
+    pkg-config
+    rustPlatform.bindgenHook
+  ];
+
+  buildInputs =
+    [
+      bzip2
+      zstd
+    ]
+    ++ lib.optional enableJemalloc rust-jemalloc-sys'
+    ++ lib.optional enableLiburing liburing
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      apple-sdk_15
+      # aws-lc-sys requires CryptoKit's CommonCrypto, which is available on macOS 10.15+
+      (darwinMinVersionHook "10.15")
+    ];
+
+  env = {
+    ZSTD_SYS_USE_PKG_CONFIG = true;
+    ROCKSDB_INCLUDE_DIR = "${rocksdb'}/include";
+    ROCKSDB_LIB_DIR = "${rocksdb'}/lib";
+  };
+
+  buildNoDefaultFeatures = true;
+  # See https://github.com/girlbossceo/conduwuit/blob/main/src/main/Cargo.toml
+  # for available features.
+  # We enable all default features except jemalloc and io_uring, which
+  # we guard behind our own (default-enabled) flags.
+  buildFeatures = [
+    "brotli_compression"
+    "element_hacks"
+    "gzip_compression"
+    "release_max_log_level"
+    "sentry_telemetry"
+    "systemd"
+    "zstd_compression"
+  ] ++ lib.optional enableJemalloc "jemalloc" ++ lib.optional enableLiburing "io_uring";
+
+  passthru = {
+    updateScript = nix-update-script { };
+    tests =
+      {
+        version = testers.testVersion {
+          inherit version;
+          package = conduwuit;
+        };
+      }
+      // lib.optionalAttrs stdenv.hostPlatform.isLinux {
+        inherit (nixosTests) conduwuit;
+      };
+  };
+
+  meta = {
+    description = "Matrix homeserver written in Rust, forked from conduit";
+    homepage = "https://conduwuit.puppyirl.gay/";
+    changelog = "https://github.com/girlbossceo/conduwuit/releases/tag/v${version}";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ niklaskorz ];
+    # Not a typo, conduwuit is a drop-in replacement for conduit.
+    mainProgram = "conduit";
+  };
+}