diff --git a/rustup.spec b/rustup.spec
index dc5272b..d06886c 100644
--- a/rustup.spec
+++ b/rustup.spec
@@ -1,5 +1,5 @@
 Name:          rustup
-Version:       1.23.0
+Version:       1.23.1
 Release:       1mamba
 Summary:       Rust toolchain installer
 Group:         Applications/Development
@@ -44,6 +44,9 @@ install -D -m0755 target/debug/rustup-init %{buildroot}%{_bindir}/rustup
 %doc LICENSE-APACHE LICENSE-MIT
 
 %changelog
+* Sat Dec 19 2020 Automatic Build System <autodist@mambasoft.it> 1.23.1-1mamba
+- automatic version update by autodist
+
 * Sat Nov 28 2020 Automatic Build System <autodist@mambasoft.it> 1.23.0-1mamba
 - automatic version update by autodist