diff --git a/pkgs/development/python-modules/cexprtk/default.nix b/pkgs/development/python-modules/cexprtk/default.nix
new file mode 100644
index 000000000000..e75efe1c6397
--- /dev/null
+++ b/pkgs/development/python-modules/cexprtk/default.nix
@@ -0,0 +1,26 @@
+{ lib
+, fetchPypi
+, buildPythonPackage
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "cexprtk";
+  version = "0.4.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-c7QXB+oXzkRveiPpNrW/HY8pMtpZx/RtDpJMVE7fY/A=";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "cexprtk" ];
+
+  meta = with lib; {
+    description = "Mathematical expression parser, cython wrapper";
+    homepage = "https://github.com/mjdrushton/cexprtk";
+    license = licenses.cpl10;
+    maintainers = with maintainers; [ onny ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5c286acfdc9c..191e0011c25e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1600,6 +1600,8 @@ in {
 
   censys = callPackage ../development/python-modules/censys { };
 
+  cexprtk = callPackage ../development/python-modules/cexprtk { };
+
   coincurve = callPackage ../development/python-modules/coincurve {
     inherit (pkgs) secp256k1;
   };