Index: src/tlsgnutlsclient.cpp =================================================================== --- src/tlsgnutlsclient.cpp (revision 4882) +++ src/tlsgnutlsclient.cpp (working copy) @@ -55,7 +55,7 @@ } #if GNUTLS_VERSION_NUMBER >= 0x020600 - int ret = gnutls_priority_set_direct( *m_session, "SECURE128:+PFS:+COMP-ALL:+VERS-TLS-ALL:-VERS-SSL3.0:+SIGN-ALL:+CURVE-ALL", 0 ); + int ret = gnutls_priority_set_direct( *m_session, "SECURE128:+PFS:+COMP-ALL:+VERS-TLS-ALL:-VERS-SSL3.0:-VERS-TLS1.3:+SIGN-ALL:+CURVE-ALL", 0 ); if( ret != GNUTLS_E_SUCCESS ) return false; #else