diff --git a/CMakeLists.txt b/CMakeLists.txt
index 711dbd89d1..0aca38c0a5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,7 +44,7 @@
 # features and behave exactly the same.
 
 cmake_minimum_required(VERSION 3.14)
-project(mold VERSION 2.3.3)
+project(mold VERSION 2.4.0)
 
 include(CMakeDependentOption)
 include(GNUInstallDirs)
diff --git a/README.md b/README.md
index 44d02794ac..f454f27014 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ necessary packages. You may need to run it as root.
 git clone https://github.com/rui314/mold.git
 mkdir mold/build
 cd mold/build
-git checkout v2.3.3
+git checkout v2.4.0
 ../install-build-deps.sh
 cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=c++ ..
 cmake --build . -j $(nproc)