diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 3a8cdd64..ed9e4848 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,7 +1,7 @@
 [bumpversion]
 commit = False
 tag = False
-current_version = 1.2.1
+current_version = 1.3.0
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)([-](?P<release>(rc|alpha))+(?P<build>\d+))?
 serialize =
 	{major}.{minor}.{patch}-{release}{build}
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ac8f3f00..744452ae 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,14 @@
 Wijzigingen
 ===========
 
+1.3.0 (2023-03-29)
+===========
+
+Implementation changes
+----------------------
+
+* Changed permissions for EnkelVoudigInformatieObject such that PUT and PATCH can be applied to `InformatieObject` (`Issue 1777`_):
+
 1.2.3 (2022-03-01)
 ===========
 
diff --git a/README.rst b/README.rst
index 10e41978..f65cd733 100644
--- a/README.rst
+++ b/README.rst
@@ -2,7 +2,7 @@
 Documenten API
 ==============
 
-:Version: 1.2.3
+:Version: 1.3.0
 :Source: https://github.com/VNG-Realisatie/documenten-api
 :Keywords: zaken, zaakgericht werken, GEMMA, RGBZ, DRC
 
diff --git a/package.json b/package.json
index 5e593e85..7390ac0d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "drc",
-  "version": "1.2.3",
+  "version": "1.3.0",
   "description": "drc referentie implementatie API",
   "main": "src/index.js",
   "directories": {
diff --git a/src/drc/__init__.py b/src/drc/__init__.py
index e025115a..f3ceaf37 100644
--- a/src/drc/__init__.py
+++ b/src/drc/__init__.py
@@ -7,7 +7,7 @@
 import re
 from collections import namedtuple
 
-__version__ = "1.2.3"
+__version__ = "1.3.0"
 __author__ = "VNG Realisatie"
 __homepage__ = "https://github.com/VNG-Realisatie/documenten-api"
 __docformat__ = "restructuredtext"
diff --git a/src/drc/api/tests/test_dso_api_strategy.py b/src/drc/api/tests/test_dso_api_strategy.py
index 48f66a2d..ad9ddc06 100644
--- a/src/drc/api/tests/test_dso_api_strategy.py
+++ b/src/drc/api/tests/test_dso_api_strategy.py
@@ -23,7 +23,7 @@ def test_api_19_documentation_version_yaml(self):
     @override_settings(ROOT_URLCONF="drc.api.tests.test_urls")
     def test_api_24_version_header(self):
         response = self.client.get("/test-view")
-        self.assertEqual(response["API-version"], "1.2.3")
+        self.assertEqual(response["API-version"], "1.3.0")
 
 
 class DSOApi50Tests(APITestCase):
diff --git a/src/drc/conf/api.py b/src/drc/conf/api.py
index 397e6490..a49eda9e 100644
--- a/src/drc/conf/api.py
+++ b/src/drc/conf/api.py
@@ -2,7 +2,7 @@
 
 from vng_api_common.conf.api import *  # noqa - imports white-listed
 
-API_VERSION = "1.2.3"
+API_VERSION = "1.3.0"
 
 REST_FRAMEWORK = BASE_REST_FRAMEWORK.copy()
 REST_FRAMEWORK["PAGE_SIZE"] = 100
diff --git a/src/openapi.yaml b/src/openapi.yaml
index f11e8ed8..f6b769a6 100644
--- a/src/openapi.yaml
+++ b/src/openapi.yaml
@@ -1,7 +1,7 @@
 openapi: 3.0.3
 info:
   title: Documenten API
-  version: 1.2.3
+  version: 1.3.0
   description:
     "Een API om een documentregistratiecomponent (DRC) te benaderen.\n\n\
     In een documentregistratiecomponent worden INFORMATIEOBJECTen opgeslagen. Een\n\