diff --git a/CMakeLists.txt b/CMakeLists.txt
index d680079..dbbbb6c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.16)
 
 # Initialize the CMake project.
 project(Trexio
-	VERSION 2.4.0
+	VERSION 2.4.2
 	DESCRIPTION "TREX I/O library"
 	LANGUAGES C Fortran
 	)
diff --git a/ocaml/trexio/Makefile b/ocaml/trexio/Makefile
index 8783f1a..f01743b 100644
--- a/ocaml/trexio/Makefile
+++ b/ocaml/trexio/Makefile
@@ -10,6 +10,7 @@ lib/trexio.h:
 sources: lib/trexio.ml lib/trexio.h
 
 clean:
+	rm lib/trexio.h lib/trexio.ml lib/trexio.mli lib/trexio_stubs.c
 	dune clean
 
 .PHONY: sources default
diff --git a/ocaml/trexio/trexio-2.3.2.tar.gz b/ocaml/trexio/trexio-2.3.2.tar.gz
deleted file mode 100644
index 8fa17bb..0000000
Binary files a/ocaml/trexio/trexio-2.3.2.tar.gz and /dev/null differ
diff --git a/ocaml/trexio/trexio.opam b/ocaml/trexio/trexio.opam
index f38dc69..5d41dca 100644
--- a/ocaml/trexio/trexio.opam
+++ b/ocaml/trexio/trexio.opam
@@ -1,6 +1,6 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-version: "2.4.0"
+version: "2.4.2"
 synopsis: "Binding for the TREXIO Input/Output library"
 description:
   "TREXIO is a file format and library for storing wave functions and integrals for quantum chemistry."
diff --git a/python/pytrexio/_version.py b/python/pytrexio/_version.py
index 3d67cd6..60be088 100644
--- a/python/pytrexio/_version.py
+++ b/python/pytrexio/_version.py
@@ -1 +1 @@
-__version__ = "2.4.0"
+__version__ = "2.4.2"
diff --git a/rust/trexio/build.rs b/rust/trexio/build.rs
index 05b6ad8..7625038 100644
--- a/rust/trexio/build.rs
+++ b/rust/trexio/build.rs
@@ -2,7 +2,6 @@ extern crate reqwest;
 extern crate tar;
 extern crate flate2;
 
-const VERSION: &str = "2.4.2";
 const WRAPPER_H: &str = "wrapper.h";
 const GENERATED_RS: &str = "generated.rs";
 
@@ -18,8 +17,11 @@ use tar::Archive;
 
 
 fn download_trexio() -> PathBuf {
+    let version = env::var("CARGO_PKG_VERSION").unwrap();
+    println!("Version : {}", version);
+
     let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
-    let trexio_url = format!("https://github.com/TREX-CoE/trexio/releases/download/v{VERSION}/trexio-{VERSION}.tar.gz");
+    let trexio_url = format!("https://github.com/TREX-CoE/trexio/releases/download/v{version}/trexio-{version}.tar.gz");
 
     // Download the .tar.gz archive
     let tar_gz = out_path.join("trexio.tar.gz");
@@ -35,7 +37,7 @@ fn download_trexio() -> PathBuf {
     archive.unpack(trexio_dir.clone()).expect("Failed to unpack");
 
     // Assume that the archive extracts to a directory named 'trexio-0.1.0'
-    trexio_dir.join(format!("trexio-{}", VERSION))
+    trexio_dir.join(format!("trexio-{}", version))
 }
 
 
diff --git a/version_memo.txt b/version_memo.txt
new file mode 100644
index 0000000..67fcce7
--- /dev/null
+++ b/version_memo.txt
@@ -0,0 +1,8 @@
+To update the version, change:
+
+- configure.ac
+- CMakeLists.txt
+- ocaml/trexio/trexio.opam
+- python/pytrexio/_version.py
+- rust/trexio/Cargo.toml
+