diff --git a/libical.spec b/libical.spec
index 4391e1c..51da536 100644
--- a/libical.spec
+++ b/libical.spec
@@ -1,5 +1,5 @@
 Name:          libical
-Version:       3.0.10
+Version:       3.0.11
 Release:       1mamba
 Summary:       An open source reference implementation of the icalendar data type and serialization format
 Group:         System/Libraries
@@ -18,6 +18,7 @@ BuildRequires: libgcc
 BuildRequires: libglib-devel
 BuildRequires: libicu-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: libxml2-devel
 ## AUTOBUILDREQ-END
 
 %description
@@ -97,6 +98,9 @@ This package contains static libraries and header files need for development.
 %doc THANKS TODO
 
 %changelog
+* Sun Oct 10 2021 Automatic Build System <autodist@mambasoft.it> 3.0.11-1mamba
+- automatic version update by autodist
+
 * Sun Apr 18 2021 Automatic Build System <autodist@mambasoft.it> 3.0.10-1mamba
 - automatic version update by autodist