diff --git a/pkgs/applications/misc/kiwix/default.nix b/pkgs/applications/misc/kiwix/default.nix
index 2c9eafb16c11..bb52de44c15d 100644
--- a/pkgs/applications/misc/kiwix/default.nix
+++ b/pkgs/applications/misc/kiwix/default.nix
@@ -2,6 +2,7 @@
   lib,
   mkDerivation,
   fetchFromGitHub,
+  nix-update-script,
   libkiwix,
   pkg-config,
   qmake,
@@ -12,15 +13,15 @@
   aria2,
 }:
 
-mkDerivation {
+mkDerivation rec {
   pname = "kiwix";
-  version = "2.3.1-unstable-2024-02-20";
+  version = "2.4.1";
 
   src = fetchFromGitHub {
     owner = "kiwix";
     repo = "kiwix-desktop";
-    rev = "17ac566b07814aefb1decf108e4ba6d7ad9ef7bc";
-    hash = "sha256-BZzFnQE8/dyZkpY0X3zZ6yC6yLZ002Q/RoDzEhSOa/g=";
+    rev = version;
+    hash = "sha256-B3RcYr/b8pZTJV35BWuqmWbq+C2WkkcwBR0oNaUXPRw=";
   };
 
   nativeBuildInputs = [
@@ -40,12 +41,14 @@ mkDerivation {
     "--prefix PATH : ${lib.makeBinPath [ aria2 ]}"
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     description = "Offline reader for Web content";
     mainProgram = "kiwix-desktop";
     homepage = "https://kiwix.org";
     license = licenses.gpl3Plus;
     platforms = platforms.linux;
-    maintainers = [ ];
+    maintainers = with maintainers; [ greg ];
   };
 }
diff --git a/pkgs/applications/misc/kiwix/lib.nix b/pkgs/applications/misc/kiwix/lib.nix
index dfaddd3212af..93381ecce06b 100644
--- a/pkgs/applications/misc/kiwix/lib.nix
+++ b/pkgs/applications/misc/kiwix/lib.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  nix-update-script,
   meson,
   ninja,
   pkg-config,
@@ -18,13 +19,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libkiwix";
-  version = "13.1.0";
+  version = "14.0.0";
 
   src = fetchFromGitHub {
     owner = "kiwix";
     repo = "libkiwix";
     rev = finalAttrs.version;
-    hash = "sha256-DKOwzfGyad/3diOaV1K8hXqT8YGfqCP6QDKDkxWu/1U=";
+    hash = "sha256-QP23ZS0FJsMVtnWOofywaAPIU0GJ2L+hLP/x0LXMKiU=";
   };
 
   nativeBuildInputs = [
@@ -55,8 +56,13 @@ stdenv.mkDerivation (finalAttrs: {
 
   postPatch = ''
     patchShebangs scripts
+    substituteInPlace meson.build \
+        --replace-fail "libicu_dep = dependency('icu-i18n', static:static_deps)" \
+                       "libicu_dep = [dependency('icu-i18n', static:static_deps), dependency('icu-uc', static:static_deps)]"
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     description = "Common code base for all Kiwix ports";
     homepage = "https://kiwix.org";
diff --git a/pkgs/by-name/li/libzim/package.nix b/pkgs/by-name/li/libzim/package.nix
index d9366ccffca9..288eb8eab8dc 100644
--- a/pkgs/by-name/li/libzim/package.nix
+++ b/pkgs/by-name/li/libzim/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   icu,
   meson,
   ninja,
@@ -23,6 +24,15 @@ stdenv.mkDerivation rec {
     hash = "sha256-z22+cDlFQtLMLFh5+7Nt9LsGFyBPi3HeZhYb0LK86Oc=";
   };
 
+  patches = [
+    # Upstream patch for ICU76 compatibility.
+    # https://github.com/openzim/libzim/pull/936
+    (fetchpatch {
+      url = "https://github.com/openzim/libzim/commit/4a42b3c6971c9534b104f48f6d13db8630a97d2f.patch";
+      hash = "sha256-FjaGZ2bI1ROLg3rvWIGLbVoImGr51MbWjbBj+lGj1rs=";
+    })
+  ];
+
   nativeBuildInputs = [
     ninja
     meson