diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba6f6c6..284d93f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.16)
 
 # Initialize the CMake project.
 project(Trexio
-	VERSION 2.3.0
+	VERSION 2.2.2
 	DESCRIPTION "TREX I/O library"
 	LANGUAGES C Fortran
 	)
diff --git a/configure.ac b/configure.ac
index a1ef1c5..a130be3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.69])
-AC_INIT([trexio],[2.3.0],[https://github.com/TREX-CoE/trexio/issues])
+AC_INIT([trexio],[2.2.2],[https://github.com/TREX-CoE/trexio/issues])
 
 AC_CONFIG_SRCDIR([Makefile.in])
 AC_CONFIG_HEADERS([include/config.h])