Problem with apt-get upgrade

I have a problem with apt-get upgrade. How ca i fix it?

Code:

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root@kali:~# apt-get upgrade
Reading package lists... Done
Building dependency tree     
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
  webshells
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 14.4 kB of archives.
After this operation, 30.7 kB disk space will be freed.
Do you want to continue? [Y/n] y
Err http://http.kali.org/kali/ sana/main webshells all 1.1-0kali0
  403  Forbidden
E: Failed to fetch http://http.kali.org/kali/pool/main/w/webshells/webshells_1.1-0kali0_all.deb  403  Forbidden

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Could the repos have been down temporarily? I just did an apt-get update and apt-get dist-upgrade with no problems