Webmin error

Webmin cannot setting Squid with following error :

Your version of Squid is not supported by Webmin. Only versions from 1.1 to 2.5 are supported by this module.

The command /usr/sbin/squid -v returned :

Squid Cache: Version 2.6.STABLE1
configure options: '--build=i586-mandriva-linux-gnu' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/sbin' '--sbindir=/usr/sbin' '--sysconfdir=/etc/squid' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/lib/squid' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--x-includes=/usr/include' '--x-libraries=/usr/lib' '--enable-icap-support' '--with-maxfd=1024' '--disable-poll' '--enable-epoll' '--enable-snmp' '--enable-useragent-log' '--enable-referer-log' '--enable-removal-policies=heap,lru' '--enable-storeio=aufs,coss,diskd,ufs,null' '--enable-cachemgr-hostname=localhost' '--enable-truncate' '--enable-underscores' '--enable-carp' '--enable-async-io' '--enable-htcp' '--enable-icmp' '--enable-delay-pools' '--enable-linux-netfilter' '--enable-default-hostsfile=/etc/hosts' '--enable-ssl' '--with-openssl=/usr' '--enable-arp-acl' '--enable-wccp' '--enable-wccpv2' '--enable-auth=basic,digest,ntlm,negotiate' '--enable-basic-auth-helpers=getpwnam,LDAP,MSNT,multi-domain-NTLM,NCSA,PAM,SASL,SMB,YP' '--enable-ntlm-auth-helpers=fakeauth,no_check,SMB' '--enable-digest-auth-helpers=ldap,password' '--enable-external-acl-helpers=ip_user,ldap_group,session,unix_group,wbinfo_group' '--enable-follow-x-forwarded-for' '--with-pthreads' '--disable-dependency-tracking' '--disable-ident-lookups' '--enable-large-cache-files' '--with-large-files' '--with-build-environment=default' 'CFLAGS=-O2 -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fomit-frame-pointer -march=i586 -mtune=pentiumpro -fasynchronous-unwind-tables -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64' 'CPPFLAGS=-I/usr/include/openssl ' 'build_alias=i586-mandriva-linux-gnu'
Try to check any same problem on the net ..