diff --git a/packages/cli/src/managed-python-runtime.ts b/packages/cli/src/managed-python-runtime.ts
index dbe2f859..611f21ab 100644
--- a/packages/cli/src/managed-python-runtime.ts
+++ b/packages/cli/src/managed-python-runtime.ts
@@ -20,7 +20,7 @@ export type KtxRuntimeFeature = z.infer<typeof runtimeFeatureSchema>;
  * requires Python >=3.13" error. Pinning here pushes uv to auto-download the
  * right interpreter via its python-management feature.
  */
-export const MANAGED_RUNTIME_PYTHON_VERSION = '3.13';
+const MANAGED_RUNTIME_PYTHON_VERSION = '3.13';
 
 const runtimeAssetManifestSchema = z.object({
   schemaVersion: z.literal(1),