diff --git a/CHANGES.md b/CHANGES.md
index f8f149d..d66a9cb 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,6 +3,8 @@
 ### 3.1.3 - 2021-09-15
 
 - Fixed bug where missing .mtl files were no longer being handled gracefully in Node 16. [#268](https://github.com/CesiumGS/obj2gltf/pull/268)
+- Fixed parsing models with tab separated elements like those exported from Tinkercad. [#259](https://github.com/CesiumGS/obj2gltf/pull/259)
+- Locked CesiumJS to 1.84.0 to prevent "ReferenceError: Blob is not defined" error when running obj2gltf.
 
 ### 3.1.2 - 2021-08-02
 
diff --git a/package.json b/package.json
index 39c09f3..9aa0a0e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "obj2gltf",
-  "version": "3.1.2",
+  "version": "3.1.3",
   "description": "Convert OBJ model format to glTF",
   "license": "Apache-2.0",
   "contributors": [
diff --git a/specs/data/box-with-tabs/box-with-tabs.obj b/specs/data/box-with-tabs/box-with-tabs.obj
index 263a0c2..b4dad08 100644
--- a/specs/data/box-with-tabs/box-with-tabs.obj
+++ b/specs/data/box-with-tabs/box-with-tabs.obj
@@ -1,4 +1,4 @@
-mtllib box.mtl
+mtllib box-with-tabs.mtl
 o Cube
 v -1.000000	-1.00000    1.000000
 v -1.000000	1.000000	1.000000