diff --git a/CHANGELOG b/CHANGELOG
index e6a700d29..e34916b85 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,14 @@
 CHANGELOG
 =========
 
+3.0.43: 2023-12-13
+------------------
+
+Fixes:
+- Fix regression on Pypy: Don't use `ctypes.pythonapi` to restore SIGINT if not
+  available.
+
+
 3.0.42: 2023-12-12
 ------------------
 
diff --git a/docs/conf.py b/docs/conf.py
index 30106153e..abf6db3dc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -48,9 +48,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "3.0.42"
+version = "3.0.43"
 # The full version, including alpha/beta/rc tags.
-release = "3.0.42"
+release = "3.0.43"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/src/prompt_toolkit/__init__.py b/src/prompt_toolkit/__init__.py
index 93d8ebaaa..82324cb81 100644
--- a/src/prompt_toolkit/__init__.py
+++ b/src/prompt_toolkit/__init__.py
@@ -27,7 +27,7 @@
 from .shortcuts import PromptSession, print_formatted_text, prompt
 
 # Don't forget to update in `docs/conf.py`!
-__version__ = "3.0.42"
+__version__ = "3.0.43"
 
 assert pep440.match(__version__)