I'm trying to update my Debian machine to 2.6.32-46 (which is the new stable). However, after doing apt-get update my apt-cache search linux-image shows me:

linux-headers-2.6.32-5-486 - Header files for Linux 2.6.32-5-486
linux-headers-2.6.32-5-686-bigmem - Header files for Linux 2.6.32-5-686-bigmem
linux-headers-2.6.32-5-686 - Header files for Linux 2.6.32-5-686
linux-headers-2.6.32-5-amd64 - Header files for Linux 2.6.32-5-amd64
linux-headers-2.6.32-5-openvz-686 - Header files for Linux 2.6.32-5-openvz-686
linux-headers-2.6.32-5-vserver-686-bigmem - Header files for Linux 2.6.32-5-vser                                                                                                                                                             ver-686-bigmem
linux-headers-2.6.32-5-vserver-686 - Header files for Linux 2.6.32-5-vserver-686
linux-headers-2.6.32-5-xen-686 - Header files for Linux 2.6.32-5-xen-686
linux-image-2.6.32-5-486 - Linux 2.6.32 for old PCs
linux-image-2.6.32-5-686-bigmem-dbg - Debugging infos for Linux 2.6.32-5-686-big                                                                                                                                                             mem
linux-image-2.6.32-5-686-bigmem - Linux 2.6.32 for PCs with 4GB+ RAM
linux-image-2.6.32-5-686 - Linux 2.6.32 for modern PCs
linux-image-2.6.32-5-amd64 - Linux 2.6.32 for 64-bit PCs
linux-image-2.6.32-5-openvz-686-dbg - Debugging infos for Linux 2.6.32-5-openvz-                                                                                                                                                             686
linux-image-2.6.32-5-openvz-686 - Linux 2.6.32 for modern PCs, OpenVZ support
linux-image-2.6.32-5-vserver-686-bigmem-dbg - Debugging infos for Linux 2.6.32-5                                                                                                                                                             -vserver-686-bigmem
linux-image-2.6.32-5-vserver-686-bigmem - Linux 2.6.32 for PCs with 4GB+ RAM, Li                                                                                                                                                             nux-VServer support
linux-image-2.6.32-5-vserver-686 - Linux 2.6.32 for modern PCs, Linux-VServer su                                                                                                                                                             pport
linux-image-2.6.32-5-xen-686-dbg - Debugging infos for Linux 2.6.32-5-xen-686
linux-image-2.6.32-5-xen-686 - Linux 2.6.32 for modern PCs, Xen dom0 support
linux-image-2.6-486 - Linux 2.6 for old PCs (meta-package)
linux-image-2.6-686-bigmem - Linux 2.6 for PCs with 4GB+ RAM (meta-package)
linux-image-2.6-686 - Linux 2.6 for modern PCs (meta-package)
linux-image-2.6-amd64 - Linux 2.6 for 64-bit PCs (meta-package)
linux-image-2.6-openvz-686 - Linux 2.6 for modern PCs (meta-package), OpenVZ sup                                                                                                                                                             port
linux-image-2.6-vserver-686-bigmem - Linux 2.6 for PCs with 4GB+ RAM (meta-packa                                                                                                                                                             ge), Linux-VServer support
linux-image-2.6-vserver-686 - Linux 2.6 for modern PCs (meta-package), Linux-VSe                                                                                                                                                             rver support
linux-image-2.6-xen-686 - Linux 2.6 for modern PCs (meta-package), Xen dom0 supp                                                                                                                                                             ort
linux-image-486 - Linux for old PCs (meta-package)
linux-image-686-bigmem - Linux for PCs with 4GB+ RAM (meta-package)
linux-image-686 - Linux for modern PCs (meta-package)
linux-image-amd64 - Linux for 64-bit PCs (meta-package)
linux-image-openvz-686 - Linux for modern PCs (meta-package), OpenVZ support
linux-image-vserver-686-bigmem - Linux for PCs with 4GB+ RAM (meta-package), Lin                                                                                                                                                             ux-VServer support
linux-image-vserver-686 - Linux for modern PCs (meta-package), Linux-VServer sup                                                                                                                                                             port
linux-image-xen-686 - Linux for modern PCs (meta-package), Xen dom0 support

So, 2.6.32-46 doesn't seem to be found. How can I update to this kernel?

My sources.list:

###### Debian Main Repos
deb http://ftp.nl.debian.org/debian/ squeeze main contrib
deb-src http://ftp.nl.debian.org/debian/ squeeze main contrib

###### Debian Update Repos
deb http://security.debian.org/ squeeze/updates main contrib
deb http://ftp.nl.debian.org/debian/ squeeze-proposed-updates main contrib
deb-src http://security.debian.org/ squeeze/updates main contrib
deb-src http://ftp.nl.debian.org/debian/ squeeze-proposed-updates main contrib