diff --git a/scripts/tools/nrfconnect/generate_nrfconnect_chip_factory_data.py b/scripts/tools/nrfconnect/generate_nrfconnect_chip_factory_data.py
index d8425c1e6e805f..62e9fa303e051b 100644
--- a/scripts/tools/nrfconnect/generate_nrfconnect_chip_factory_data.py
+++ b/scripts/tools/nrfconnect/generate_nrfconnect_chip_factory_data.py
@@ -27,6 +27,10 @@
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives.serialization import load_der_private_key
 
+# A user can not change the factory data version and must be coherent with
+# the factory data version set in the nRF Connect platform Kconfig file (CHIP_FACTORY_DATA_VERSION).
+FACTORY_DATA_VERSION = 1
+
 HEX_PREFIX = "hex:"
 PUB_KEY_PREFIX = b'\x04'
 INVALID_PASSCODES = [00000000, 11111111, 22222222, 33333333, 44444444,
@@ -162,6 +166,7 @@ def generate_json(self):
             sys.exit(-1)
         with json_file:
             # serialize data
+            self._add_entry("version", FACTORY_DATA_VERSION)
             self._add_entry("sn", self._args.sn)
             self._add_entry("vendor_id", self._args.vendor_id)
             self._add_entry("product_id", self._args.product_id)