diff --git a/pkgs/servers/deconz/default.nix b/pkgs/servers/deconz/default.nix
new file mode 100644
index 000000000000..ae1fb6119187
--- /dev/null
+++ b/pkgs/servers/deconz/default.nix
@@ -0,0 +1,83 @@
+{ stdenv
+, lib
+, fetchurl
+, wrapQtAppsHook
+, dpkg
+, autoPatchelfHook
+, qtserialport
+, qtwebsockets
+, openssl
+, libredirect
+, makeWrapper
+, gzip
+, gnutar
+}:
+
+stdenv.mkDerivation rec {
+  pname = "deconz";
+  version = "2.23.00";
+
+  src = fetchurl {
+    url = "https://deconz.dresden-elektronik.de/ubuntu/beta/deconz-${version}-qt5.deb";
+    sha256 = "sha256-TMftm1fz8c8ndSyA3HUd7JWT0DINxvbdUSDrmVMwmws=";
+  };
+
+  devsrc = fetchurl {
+    url = "https://deconz.dresden-elektronik.de/ubuntu/beta/deconz-dev-${version}.deb";
+    sha256 = "sha256-uW5iF3rvFlowFhMBVDTOHkJ2K4LBgAxxC79tXpMhy5U=";
+  };
+
+  nativeBuildInputs = [ dpkg autoPatchelfHook makeWrapper wrapQtAppsHook ];
+
+  buildInputs = [ qtserialport qtwebsockets openssl ];
+
+  unpackPhase = ''
+    runHook preUnpack
+
+    dpkg -x $src ./deconz-src
+    dpkg -x $devsrc ./deconz-devsrc
+
+    runHook postUnpack
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p "$out"
+    cp -r deconz-src/* "$out"
+    cp -r deconz-devsrc/* "$out"
+
+    # Flatten /usr and manually merge lib/ and usr/lib/, since mv refuses to.
+    mv "$out/lib" "$out/orig_lib"
+    mv "$out/usr/"* "$out/"
+    mkdir -p "$out/lib/systemd/system/"
+    mv "$out/orig_lib/systemd/system/"* "$out/lib/systemd/system/"
+    rmdir "$out/orig_lib/systemd/system"
+    rmdir "$out/orig_lib/systemd"
+    rmdir "$out/orig_lib"
+    rmdir "$out/usr"
+
+    for f in "$out/lib/systemd/system/"*.service \
+             "$out/share/applications/"*.desktop; do
+        substituteInPlace "$f" \
+            --replace "/usr/" "$out/"
+    done
+
+    for p in "$out/bin/deCONZ" "$out/bin/GCFFlasher_internal.bin"; do
+        wrapProgram "$p" \
+            --set LD_PRELOAD "${libredirect}/lib/libredirect.so" \
+            --set NIX_REDIRECTS "/usr/share=$out/share:/usr/bin=$out/bin" \
+            --prefix PATH : "${lib.makeBinPath [ gzip gnutar ]}"
+    done
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Manage Zigbee network with ConBee, ConBee II or RaspBee hardware";
+    homepage = "https://www.dresden-elektronik.com/wireless/software/deconz.html";
+    license = licenses.unfree;
+    platforms = with platforms; linux;
+    maintainers = with maintainers; [ bjornfor ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fd646773ca78..1e8e548160eb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26447,6 +26447,8 @@ with pkgs;
 
   dcnnt = python3Packages.callPackage ../servers/dcnnt { };
 
+  deconz = qt5.callPackage ../servers/deconz { };
+
   dendrite = callPackage ../servers/dendrite { };
 
   dex-oidc = callPackage ../servers/dex { };