diff --git a/pkgs/tools/text/dcs/default.nix b/pkgs/tools/text/dcs/default.nix
new file mode 100644
index 000000000000..610b494439c6
--- /dev/null
+++ b/pkgs/tools/text/dcs/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+, python3Packages
+, perl
+, zopfli
+, stdenv
+}:
+buildGoModule {
+  pname = "dcs";
+  version = "unstable-2021-04-07";
+
+  src = fetchFromGitHub {
+    owner = "Debian";
+    repo = "dcs";
+    rev = "da46accc4d55e9bfde1a6852ac5a9e730fcbbb2c";
+    sha256 = "N+6BXlKn1YTlh0ZdPNWa0nuJNcQtlUIc9TocM8cbzQk=";
+  };
+
+  vendorSha256 = "l2mziuisx0HzuP88rS5M+Wha6lu8P036wJYZlmzjWfs=";
+
+  # Depends on dcs binaries
+  doCheck = false;
+
+  nativeBuildInputs = [
+    python3Packages.slimit
+    (perl.withPackages (p: [ p.CSSMinifier ]))
+    zopfli
+  ];
+
+  postBuild = ''
+    make -C static -j$NIX_BUILD_CORES
+  '';
+
+  postInstall = ''
+    mkdir -p $out/share/dcs
+    cp -r cmd/dcs-web/templates $out/share/dcs
+    cp -r static $out/share/dcs
+  '';
+
+  meta = with lib; {
+    description = "Debian Code Search";
+    homepage = "https://github.com/Debian/dcs";
+    license = licenses.bsd3;
+    maintainers = teams.determinatesystems.members;
+    broken = stdenv.isAarch64;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a5da4fabe5cd..e45bd83e3ee9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3782,6 +3782,8 @@ in
 
   dcraw = callPackage ../tools/graphics/dcraw { };
 
+  dcs = callPackage ../tools/text/dcs { };
+
   dcfldd = callPackage ../tools/system/dcfldd { };
 
   debianutils = callPackage ../tools/misc/debianutils { };