diff --git a/pkgs/development/python-modules/criticality-score/default.nix b/pkgs/development/python-modules/criticality-score/default.nix
new file mode 100644
index 00000000000..6b3348472a4
--- /dev/null
+++ b/pkgs/development/python-modules/criticality-score/default.nix
@@ -0,0 +1,24 @@
+{ lib, buildPythonPackage, fetchPypi, PyGithub, python-gitlab }:
+
+buildPythonPackage rec {
+  pname = "criticality_score";
+  version = "1.0.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0i811a27i87z3j1rw0dwrnw8v0ckbd918ms6shjawhs4cnb1c6x8";
+  };
+
+  propagatedBuildInputs = [ PyGithub python-gitlab ];
+
+  doCheck = false;
+
+  pythonImportsCheck = [ "criticality_score" ];
+
+  meta = with lib; {
+    description = "Python tool for computing the Open Source Project Criticality Score.";
+    homepage = "https://github.com/ossf/criticality_score";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ wamserma ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5ae237047c9..fb04fe33df1 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1426,6 +1426,8 @@ in {
 
   credstash = callPackage ../development/python-modules/credstash { };
 
+  criticality-score = callPackage ../development/python-modules/criticality-score { };
+
   croniter = callPackage ../development/python-modules/croniter { };
 
   cryptacular = callPackage ../development/python-modules/cryptacular { };