diff --git a/Lib/fontTools/__init__.py b/Lib/fontTools/__init__.py
index c2dd846..95f8f91 100644
--- a/Lib/fontTools/__init__.py
+++ b/Lib/fontTools/__init__.py
@@ -3,6 +3,6 @@
 
 log = logging.getLogger(__name__)
 
-version = __version__ = "4.24.3.dev0"
+version = __version__ = "4.24.3"
 
 __all__ = ["version", "log", "configLogger"]
diff --git a/NEWS.rst b/NEWS.rst
index c0bd547..1d466e7 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -1,3 +1,6 @@
+4.24.3 (released 2021-05-20)
+----------------------------
+
 - [otTables] Fixed ``AttributeError`` in methods that split LigatureSubst,
   MultipleSubst and AlternateSubst subtables when an offset overflow occurs.
   The ``Format`` attribute was removed in v4.22.0 (#2319).
diff --git a/setup.cfg b/setup.cfg
index 08b1a38..e3e0678 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.24.3.dev0
+current_version = 4.24.3
 commit = True
 tag = False
 tag_name = {new_version}
diff --git a/setup.py b/setup.py
index 5a183c3..9e53da7 100755
--- a/setup.py
+++ b/setup.py
@@ -441,7 +441,7 @@
 
 setup_params = dict(
 	name="fonttools",
-	version="4.24.3.dev0",
+	version="4.24.3",
 	description="Tools to manipulate font files",
 	author="Just van Rossum",
 	author_email="just@letterror.com",