diff --git a/pyicu.spec b/pyicu.spec
index 5097b6b..8d71524 100644
--- a/pyicu.spec
+++ b/pyicu.spec
@@ -1,5 +1,5 @@
 Name:          pyicu
-Version:       2.7.2
+Version:       2.7.3
 Release:       1mamba
 Summary:       A Python extension wrapping IBM's International Components for Unicode C++ library (ICU)
 Group:         System/Libraries
@@ -13,7 +13,7 @@ License:       OSI Approved
 BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libicu-devel
-BuildRequires: libpython27-devel
+BuildRequires: libpython3-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 
@@ -47,6 +47,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/PyICU-%{version}-py*.egg-info/*
 
 %changelog
+* Sat May 22 2021 Automatic Build System <autodist@mambasoft.it> 2.7.3-1mamba
+- automatic version update by autodist
+
 * Wed Apr 28 2021 Automatic Build System <autodist@mambasoft.it> 2.7.2-1mamba
 - automatic version update by autodist