diff --git a/src/util/pureConstant.service.ts b/src/util/pureConstant.service.ts
index 260f4a856390b0b4883fa3a9fcf44cbbd7109fa6..22ab44b8c6b69b75b4aed5659a685f8d63bf9458 100644
--- a/src/util/pureConstant.service.ts
+++ b/src/util/pureConstant.service.ts
@@ -17,7 +17,7 @@ import { MatSnackBar } from "@angular/material/snack-bar";
 import { TTemplateImage } from "./interfaces";
 
 export const SIIBRA_API_VERSION_HEADER_KEY='x-siibra-api-version'
-export const SIIBRA_API_VERSION = '0.1.5'
+export const SIIBRA_API_VERSION = '0.1.6'
 
 const validVolumeType = new Set([
   'neuroglancer/precomputed',