diff --git a/pkgs/tools/cd-dvd/isolyzer/default.nix b/pkgs/tools/cd-dvd/isolyzer/default.nix
new file mode 100644
index 000000000000..1fd704d90f19
--- /dev/null
+++ b/pkgs/tools/cd-dvd/isolyzer/default.nix
@@ -0,0 +1,25 @@
+{ stdenv
+, python3
+, fetchFromGitHub
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "isolyzer";
+  version = "1.3.0";
+
+  src = fetchFromGitHub {
+    owner = "KBNLresearch";
+    repo = pname;
+    rev = version;
+    sha256 = "1fysm05cz0z54apn1p889xhbgjnfwax6fngi05yij5qp2zxqghf9";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [ setuptools six ];
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/KBNLresearch/isolyzer";
+    description = "Verify size of ISO 9660 image against Volume Descriptor fields";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ mkg20001 ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3bbbb74c2b7b..0fbc29bdc14e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2401,6 +2401,8 @@ in
 
   cemu = qt5.callPackage ../applications/science/math/cemu { };
 
+  isolyzer = callPackage ../tools/cd-dvd/isolyzer { };
+
   isomd5sum = callPackage ../tools/cd-dvd/isomd5sum { };
 
   mdf2iso = callPackage ../tools/cd-dvd/mdf2iso { };