diff --git a/_pyceres/bindings.cc b/_pyceres/bindings.cc
index 740ab71..5f8621a 100644
--- a/_pyceres/bindings.cc
+++ b/_pyceres/bindings.cc
@@ -14,6 +14,7 @@ namespace py = pybind11;
 PYBIND11_MODULE(pyceres, m) {
   m.doc() = "PyCeres - Python bindings for the Ceres solver.";
   m.attr("__version__") = py::str(VERSION_INFO);
+  m.attr("__ceres_version__") = py::str(CERES_VERSION_STRING);
 
   py::add_ostream_redirect(m, "ostream_redirect");
   BindLogging(m);