diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 0cb9c450..457f6599 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.20.0
+current_version = 1.21.0
 commit = True
 tag = True
 tag_name = {new_version}
diff --git a/CHANGES.rst b/CHANGES.rst
index ebff468f..7b2b77e1 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,17 @@
 Release notes
 =============
 
+1.21.0 (2024-04-18)
+
+- bug: Fix CI/CD pipelines not working due to changes on Scrapy (`PR#426 <https://github.com/scrapinghub/spidermon/pull/426>`_)
+- bug: Fix TypeError in ``PeriodicItemCountMonitor`` when item_scraped_count was not defined the first time it was checked (`PR#436 <https://github.com/scrapinghub/spidermon/pull/436>`_)
+- bug: Fix ``calculate_field_coverage`` incorrect handling of field names ending with _items (`PR#437 <https://github.com/scrapinghub/spidermon/pull/437>`_)
+- bug: Fix monitor failing when operating offset-naive and offset-aware datetimes (`PR#439 <https://github.com/scrapinghub/spidermon/pull/439>`_)
+- bug: Fix tests for minimum properties and items in JSON Schema validations (`PR#432 <https://github.com/scrapinghub/spidermon/pull/432>`_)
+- feature: Add the ``SPIDERMON_DICT_FIELDS_COVERAGE_LEVELS`` setting to limit nested dict stats computation (`PR#433 <https://github.com/scrapinghub/spidermon/pull/433>`_)
+- feature: Add ``SendSNSNotification`` to Spidermon Notifications (`PR#413 <https://github.com/scrapinghub/spidermon/pull/413>`_)
+- feature: Change the format of the content of _validation from defaultdict to dict (`PR#431 <https://github.com/scrapinghub/spidermon/pull/431>`_)  
+
 1.20.0 (2023-09-01)
 -------------------
 
diff --git a/setup.py b/setup.py
index 14afd9c0..833bbd13 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="spidermon",
-    version="1.20.0",
+    version="1.21.0",
     url="https://github.com/scrapinghub/spidermon",
     author="Zyte",
     author_email="opensource@zyte.com",
diff --git a/spidermon/VERSION b/spidermon/VERSION
index 39893559..3500250a 100644
--- a/spidermon/VERSION
+++ b/spidermon/VERSION
@@ -1 +1 @@
-1.20.0
+1.21.0
diff --git a/spidermon/__init__.py b/spidermon/__init__.py
index b4fefa0c..277a5b27 100644
--- a/spidermon/__init__.py
+++ b/spidermon/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.20.0"
+__version__ = "1.21.0"
 
 from .core.monitors import Monitor
 from .core.suites import MonitorSuite