diff --git a/cbindgen.spec b/cbindgen.spec
index da3bada..cd482ac 100644
--- a/cbindgen.spec
+++ b/cbindgen.spec
@@ -1,5 +1,5 @@
 Name:          cbindgen
-Version:       0.19.0
+Version:       0.20.0
 Release:       1mamba
 Summary:       A project for generating C bindings from Rust code
 Group:         Applications/Development
@@ -40,6 +40,9 @@ install -D -m0755 target/release/cbindgen %{buildroot}%{_bindir}/cbindgen
 %doc LICENSE
 
 %changelog
+* Thu Jul 29 2021 Automatic Build System <autodist@mambasoft.it> 0.20.0-1mamba
+- automatic version update by autodist
+
 * Fri Apr 09 2021 Automatic Build System <autodist@mambasoft.it> 0.19.0-1mamba
 - automatic version update by autodist