diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8dbe382..f5bb13b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change log
 
-## Unreleased
+## check_patroni 2.0.0 - 2024-04-29
+
+### Notice
+
+While fixing `cluster_has_replica`, the definition of a healthy replica was
+changed. It's more restrictive now, hence the jump from v1 to v2.
 
 ### Changed
 
@@ -24,7 +29,7 @@
 
 ### Misc
 
-* Improve the documentation for node_is_replica.
+* Improve the documentation for `node_is_replica`.
 * Improve test coverage by running an HTTP server to fake the Patroni API (#55
   by @dlax).
 * Work around old pytest versions in type annotations in the test suite.
diff --git a/check_patroni/__init__.py b/check_patroni/__init__.py
index bd406c9..edb8bfa 100644
--- a/check_patroni/__init__.py
+++ b/check_patroni/__init__.py
@@ -1,5 +1,5 @@
 import logging
 
-__version__ = "1.0.0"
+__version__ = "2.0.0"
 
 _log: logging.Logger = logging.getLogger(__name__)
diff --git a/requirements-dev.txt b/requirements-dev.txt
index ac12458..0adfa7e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@ black
 codespell
 isort
 flake8
-mypy==0.961
+mypy
 pytest
 pytest-cov
 types-requests
diff --git a/tox.ini b/tox.ini
index 0948f07..e4d86d0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,7 @@ commands =
 
 [testenv:mypy]
 deps =
-    mypy == 0.961
+    mypy
 commands =
     # we need to install types-requests
     mypy --install-types --non-interactive