[CentOS] SQUID Logrotate

Hi all,
i have problem, after uprade CentOS 5.5 to 5.6, Logrotate don't work
on two proxy servers. I have installed :

squid-2.6.STABLE21-6.el5
logrotate-3.7.4-9.el5_5.2

On first server , squid logs never rotated, config is here

cat /etc/logrotate.d/squid
/var/log/squid/access.log {
    weekly
    rotate 5
    copytruncate
    compress
    notifempty
    missingok
}
/var/log/squid/cache.log {
    weekly
    rotate 5
    copytruncate
    compress
    notifempty
    missingok
}

/var/log/squid/store.log {
    weekly
    rotate 5
    copytruncate
    compress
    notifempty
    missingok
# This script asks squid to rotate its logs on its own.
# Restarting squid is a long process and it is not worth
# doing it just to rotate logs
    postrotate
      /usr/sbin/squid -k rotate
    endscript
}

On second server squid logs rotated every day . Config :

/var/log/squid/access.log {
    weekly
    rotate 5
    copytruncate
    compress
    notifempty
    missingok
}
/var/log/squid/cache.log {
    weekly
    rotate 5
    copytruncate
    compress
    notifempty
    missingok
}

/var/log/squid/store.log {
    weekly
    rotate 5
    copytruncate
    compress
    notifempty
    missingok
# This script asks squid to rotate its logs on its own.
# Restarting squid is a long process and it is not worth
# doing it just to rotate logs
    postrotate
      /usr/sbin/squid -k rotate
    endscript
}

Can someone help me ?
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