diff --git a/openconnect.spec b/openconnect.spec
index bc21f6b..fa11dda 100644
--- a/openconnect.spec
+++ b/openconnect.spec
@@ -1,6 +1,6 @@
 Name:          openconnect
 Version:       8.10
-Release:       1mamba
+Release:       2mamba
 Summary:       A client for Cisco's AnyConnect SSL VPN
 Group:         Network/Security
 Vendor:        openmamba
@@ -31,6 +31,7 @@ BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 BuildRequires: trousers-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libtss2-devel >= 3.0.1
 Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -99,6 +100,9 @@ rm -f %{buildroot}%{_libexecdir}/openconnect/hipreport-android.sh
 %doc TODO
 
 %changelog
+* Sat Oct 10 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 8.10-2mamba
+- rebuilt with libtss2 3.0.1
+
 * Sat May 16 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 8.10-1mamba
 - update to 8.10