diff --git a/xla/python/xla_client.py b/xla/python/xla_client.py
index 71c15643e4cfa..9cf6e8b6c47bd 100644
--- a/xla/python/xla_client.py
+++ b/xla/python/xla_client.py
@@ -50,7 +50,7 @@
 
 # Just an internal arbitrary increasing number to help with backward-compatible
 # changes. In JAX, reference this via jax._src.lib.xla_extension_version.
-_version = 315
+_version = 316
 
 # Version number for MLIR:Python components.
 mlir_api_version = 57
diff --git a/xla/python/xla_compiler.cc b/xla/python/xla_compiler.cc
index 606aa83de8da9..a809b0746f008 100644
--- a/xla/python/xla_compiler.cc
+++ b/xla/python/xla_compiler.cc
@@ -1378,6 +1378,18 @@ void BuildXlaCompilerSubmodule(nb::module_& m) {
       .def_prop_rw("memory_fitting_effort",
                    &ExecutableBuildOptions::memory_fitting_effort,
                    &ExecutableBuildOptions::set_memory_fitting_effort)
+      .def_prop_rw(
+          "optimization_level", &ExecutableBuildOptions::optimization_level,
+          [](ExecutableBuildOptions& options, int value) {
+            options.set_optimization_level(
+                static_cast<xla::ExecutionOptions::EffortLevel>(value));
+          })
+      .def_prop_rw(
+          "memory_fitting_level", &ExecutableBuildOptions::memory_fitting_level,
+          [](ExecutableBuildOptions& options, int value) {
+            options.set_memory_fitting_level(
+                static_cast<xla::ExecutionOptions::EffortLevel>(value));
+          })
       .def_prop_rw("use_spmd_partitioning",
                    &ExecutableBuildOptions::use_spmd_partitioning,
                    &ExecutableBuildOptions::set_use_spmd_partitioning)