diff --git a/pkgs/development/tools/misc/blackfire/php-probe.nix b/pkgs/development/tools/misc/blackfire/php-probe.nix
new file mode 100644
index 000000000000..5de2a05349a6
--- /dev/null
+++ b/pkgs/development/tools/misc/blackfire/php-probe.nix
@@ -0,0 +1,63 @@
+{ stdenv
+, lib
+, fetchurl
+, dpkg
+, autoPatchelfHook
+, php
+, writeShellScript
+, curl
+, jq
+, common-updater-scripts
+}:
+
+let
+  soFile = {
+    "7.3" = "blackfire-20180731";
+    "7.4" = "blackfire-20190902";
+  }.${lib.versions.majorMinor php.version} or (throw "Unsupported PHP version.");
+in stdenv.mkDerivation rec {
+  pname = "php-blackfire";
+  version = "1.41.0";
+
+  src = fetchurl {
+    url = "https://packages.blackfire.io/debian/pool/any/main/b/blackfire-php/blackfire-php_${version}_amd64.deb";
+    sha256 = "0vbl48bccswk9ygb4sshn24cl33fk0xg8d1bcg7ihvdc45any9ww";
+  };
+
+  nativeBuildInputs = [
+    dpkg
+    autoPatchelfHook
+  ];
+
+  unpackPhase = ''
+    runHook preUnpack
+
+    dpkg-deb -x $src pkg
+    sourceRoot=pkg
+
+    runHook postUnpack
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D usr/lib/blackfire-php/amd64/${soFile}${lib.optionalString php.ztsSupport "-zts"}.so $out/lib/php/extensions/blackfire.so
+
+    runHook postInstall
+  '';
+
+  passthru = {
+    updateScript = writeShellScript "update-${pname}" ''
+      export PATH="${lib.makeBinPath [ curl jq common-updater-scripts ]}"
+      update-source-version "$UPDATE_NIX_ATTR_PATH" "$(curl https://blackfire.io/api/v1/releases | jq .probe.php --raw-output)"
+    '';
+  };
+
+  meta = with lib; {
+    description = "Blackfire Profiler PHP module";
+    homepage = "https://blackfire.io/";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ jtojnar ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index 8f052ee87b8c..1e915f93851f 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -399,6 +399,8 @@ in
       meta.maintainers = lib.teams.php.members;
     };
 
+    blackfire = pkgs.callPackage ../development/tools/misc/blackfire/php-probe.nix { inherit php; };
+
     couchbase = buildPecl rec {
       version = "2.6.1";
       pname = "couchbase";