diff --git a/libphonenumber.spec b/libphonenumber.spec
index ff86d73..b45006a 100644
--- a/libphonenumber.spec
+++ b/libphonenumber.spec
@@ -1,5 +1,5 @@
 Name:          libphonenumber
-Version:       8.13.20
+Version:       8.13.21
 Release:       1mamba
 Summary:       Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers
 Group:         System/Libraries
@@ -39,7 +39,7 @@ This package contains libraries and header files for developing applications tha
 %prep
 %setup -q
 #%patch0 -p1 -b .system-abseil-cpp
-%patch 1 -p1
+#%patch 1 -p1
 
 %build
 %cmake -d build \
@@ -79,6 +79,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Thu Sep 21 2023 Automatic Build System <autodist@mambasoft.it> 8.13.21-1mamba
+- automatic version update by autodist
+
 * Thu Sep 07 2023 Automatic Build System <autodist@mambasoft.it> 8.13.20-1mamba
 - automatic version update by autodist