diff --git a/asterisk.spec b/asterisk.spec
index 76e895c..73c9c3b 100644
--- a/asterisk.spec
+++ b/asterisk.spec
@@ -1,5 +1,5 @@
 Name:          asterisk
-Version:       21.0.0
+Version:       21.0.1
 Release:       1mamba
 Summary:       Asterisk PBX
 Group:         System/Telephony
@@ -30,6 +30,7 @@ BuildRequires: libglib-devel
 BuildRequires: libgmime-devel
 BuildRequires: libgsm-devel
 BuildRequires: libical-devel
+BuildRequires: libilbc-devel
 BuildRequires: libjansson-devel
 BuildRequires: libkrb5-devel
 BuildRequires: liblua-devel
@@ -176,6 +177,9 @@ ln -sf libasteriskssl.so.1 %{buildroot}%{_libdir}/libasteriskssl.so
 %doc BUGS
 
 %changelog
+* Fri Dec 15 2023 Automatic Build System <autodist@mambasoft.it> 21.0.1-1mamba
+- automatic version update by autodist
+
 * Thu Oct 19 2023 Automatic Build System <autodist@mambasoft.it> 21.0.0-1mamba
 - automatic version update by autodist