diff --git a/hosts/by-name/servo/services/kiwix-serve.nix b/hosts/by-name/servo/services/kiwix-serve.nix
index 17bf569ab..806d38707 100644
--- a/hosts/by-name/servo/services/kiwix-serve.nix
+++ b/hosts/by-name/servo/services/kiwix-serve.nix
@@ -1,6 +1,16 @@
 { pkgs, ... }:
 {
   sane.services.kiwix-serve = {
+    # XXX(2025-02-24): libzim build failure after nixpkgs changed icu default from icu74 -> icu76.
+    # see: <https://github.com/NixOS/nixpkgs/issues/384684>
+    package = pkgs.kiwix-tools.override {
+      libkiwix = pkgs.libkiwix.override {
+        icu = pkgs.icu75;
+        libzim = pkgs.libzim.override {
+          icu = pkgs.icu75;
+        };
+      };
+    };
     enable = true;
     port = 8013;
     zimPaths = with pkgs.zimPackages; [