diff --git "a/changelog.d/20241126_180343_cs\\-FC-41948-rotate-cs-root-key_scriv.md" "b/changelog.d/20241126_180343_cs\\-FC-41948-rotate-cs-root-key_scriv.md"
new file mode 100644
index 000000000..89cd6d543
--- /dev/null
+++ "b/changelog.d/20241126_180343_cs\\-FC-41948-rotate-cs-root-key_scriv.md"
@@ -0,0 +1,21 @@
+<!--
+
+A new changelog entry.
+
+Delete placeholder items that do not apply. Empty sections will be removed
+automatically during release.
+
+Leave the XX.XX as is: this is a placeholder and will be automatically filled
+correctly during the release and helps when backporting over multiple platform
+branches.
+
+-->
+
+### Impact
+
+
+
+
+### NixOS XX.XX platform
+
+- Scheduled rotation of CS' root ssh key
diff --git a/nixos/platform/static.nix b/nixos/platform/static.nix
index c793a370e..c1c71515f 100644
--- a/nixos/platform/static.nix
+++ b/nixos/platform/static.nix
@@ -121,7 +121,7 @@ with lib;
         ctheune = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA/lhMiMJBednrahZUJvb+dZVhLysbcuGf4p2J4D6MU/ ctheune@fourteen-3.local";
         zagy = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKqKaOCYLUxtjAs9e3amnTRH5NM2j0kjLOE+5ZGy9/W4 zagy@drrr.local";
         flanitz = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAg5mbkbBk0dngSVmlZJEH0hAUqnu3maJzqEV9Su1Cff flanitz";
-        cs = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKIlrvXV9TzM1uppd8oAbph1dcab6h28VZSUthsp2eZL christians@colbert";
+        cs = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII1tIRq9ughgKdSl3brTNRyA4ywvNG2mWEqVfToBy3XW cs@CSMBP20";
         ts = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOpJ59uGzQAB/n9YFQoOPWHiUFaKPGj2OivAxQmTkeyN ts";
         nm = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDFBloz5mf4SxX0/GwvOmTD2itWTRjyrmxh13Nzc2oSP nm";
         os = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJemLKFmr09o6zBscLJSD3KcAs/dnIYBjgxYzJ59VvHx os@Olivers-MBP-3";