diff --git a/CHANGELOG.md b/CHANGELOG.md
index e42420f677..04ac9b7e5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
 ## [0.4.1] - 2023-12-21
 
 #### Changed
@@ -113,6 +115,7 @@ This version was in fact never released.
 The number was given by the build system since the introduction of autotools in Jan 2014 (ea0fe5a5bf0c04f9cc955b2966b614f5f378c6f6).
 Therefore, this version number does not uniquely identify a set of source files.
 
+[unreleased]: https://github.com/bitcoin-core/secp256k1/compare/v0.4.1...HEAD
 [0.4.1]: https://github.com/bitcoin-core/secp256k1/compare/v0.4.0...v0.4.1
 [0.4.0]: https://github.com/bitcoin-core/secp256k1/compare/v0.3.2...v0.4.0
 [0.3.2]: https://github.com/bitcoin-core/secp256k1/compare/v0.3.1...v0.3.2
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b7aa20c18d..cf0dc3ba93 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ project(libsecp256k1
   # The package (a.k.a. release) version is based on semantic versioning 2.0.0 of
   # the API. All changes in experimental modules are treated as
   # backwards-compatible and therefore at most increase the minor version.
-  VERSION 0.4.1
+  VERSION 0.4.2
   DESCRIPTION "Optimized C library for ECDSA signatures and secret/public key operations on curve secp256k1."
   HOMEPAGE_URL "https://github.com/bitcoin-core/secp256k1"
   LANGUAGES C
@@ -35,7 +35,7 @@ endif()
 # All changes in experimental modules are treated as if they don't affect the
 # interface and therefore only increase the revision.
 set(${PROJECT_NAME}_LIB_VERSION_CURRENT 3)
-set(${PROJECT_NAME}_LIB_VERSION_REVISION 1)
+set(${PROJECT_NAME}_LIB_VERSION_REVISION 2)
 set(${PROJECT_NAME}_LIB_VERSION_AGE 1)
 
 set(CMAKE_C_STANDARD 90)
diff --git a/configure.ac b/configure.ac
index 51ac230cfc..2c1596775e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,8 +5,8 @@ AC_PREREQ([2.60])
 # backwards-compatible and therefore at most increase the minor version.
 define(_PKG_VERSION_MAJOR, 0)
 define(_PKG_VERSION_MINOR, 4)
-define(_PKG_VERSION_PATCH, 1)
-define(_PKG_VERSION_IS_RELEASE, true)
+define(_PKG_VERSION_PATCH, 2)
+define(_PKG_VERSION_IS_RELEASE, false)
 
 # The library version is based on libtool versioning of the ABI. The set of
 # rules for updating the version can be found here:
@@ -14,7 +14,7 @@ define(_PKG_VERSION_IS_RELEASE, true)
 # All changes in experimental modules are treated as if they don't affect the
 # interface and therefore only increase the revision.
 define(_LIB_VERSION_CURRENT, 3)
-define(_LIB_VERSION_REVISION, 1)
+define(_LIB_VERSION_REVISION, 2)
 define(_LIB_VERSION_AGE, 1)
 
 AC_INIT([libsecp256k1],m4_join([.], _PKG_VERSION_MAJOR, _PKG_VERSION_MINOR, _PKG_VERSION_PATCH)m4_if(_PKG_VERSION_IS_RELEASE, [true], [], [-dev]),[https://github.com/bitcoin-core/secp256k1/issues],[libsecp256k1],[https://github.com/bitcoin-core/secp256k1])