diff --git a/debian-mirror-tools/config/debian/common/base-bullseye.lst b/debian-mirror-tools/config/debian/common/base-bullseye.lst
index b5dab50e..d0cc3a85 100644
--- a/debian-mirror-tools/config/debian/common/base-bullseye.lst
+++ b/debian-mirror-tools/config/debian/common/base-bullseye.lst
@@ -704,8 +704,8 @@ libtsan0  10.2.1-6
 libubsan1  10.2.1-6
 libuchardet0  0.0.7-1
 libudev1  247.3-7+deb11u1 https://snapshot.debian.org/archive/debian/20220829T032859Z/pool/main/s/systemd/libudev1_247.3-7+deb11u1_amd64.deb
-libunbound8  1.13.1-1+deb11u1  https://snapshot.debian.org/archive/debian/20230508T030704Z/pool/main/u/unbound/libunbound8_1.13.1-1+deb11u1_amd64.deb
-libunbound-dev  1.13.1-1+deb11u1  https://snapshot.debian.org/archive/debian/20230508T030704Z/pool/main/u/unbound/libunbound-dev_1.13.1-1+deb11u1_amd64.deb
+libunbound8  1.13.1-1+deb11u2 https://snapshot.debian.org/archive/debian-security/20240214T064720Z/pool/updates/main/u/unbound/libunbound8_1.13.1-1%2Bdeb11u2_amd64.deb
+libunbound-dev  1.13.1-1+deb11u2 https://snapshot.debian.org/archive/debian-security/20240214T064720Z/pool/updates/main/u/unbound/libunbound-dev_1.13.1-1%2Bdeb11u2_amd64.deb
 libunistring2  0.9.10-4
 liburing-dev  0.7-3
 liburing1  0.7-3