diff --git a/pyproject.toml b/pyproject.toml
index eec0824..a31df04 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,7 @@ dependencies = [
     "pydantic >= 2.10.0",
     "pydantic-settings >= 2.7.0",
     'backports.zoneinfo; python_version < "3.9"',
+    "NSKeyedUnArchiver==1.5",
 ]
 requires-python = ">= 3.8"
 
@@ -103,4 +104,4 @@ where = ["src"]
 mvt = ["ios/data/*.json"]
 
 [tool.setuptools.dynamic]
-version = {attr = "mvt.common.version.MVT_VERSION"}
\ No newline at end of file
+version = {attr = "mvt.common.version.MVT_VERSION"}