diff --git a/pkgs/applications/misc/mdzk/default.nix b/pkgs/applications/misc/mdzk/default.nix
index 3144f59476b..98bcda9943f 100644
--- a/pkgs/applications/misc/mdzk/default.nix
+++ b/pkgs/applications/misc/mdzk/default.nix
@@ -8,10 +8,15 @@ rustPlatform.buildRustPackage rec {
     owner = "mdzk-rs";
     repo = "mdzk";
     rev = version;
-    sha256 = "sha256-V//tVcIzhCh03VjwMC+R2ynaOFm+dp6qxa0oqBfvGUs=";
+    hash = "sha256-V//tVcIzhCh03VjwMC+R2ynaOFm+dp6qxa0oqBfvGUs=";
   };
 
-  cargoSha256 = "sha256-2lPckUhnyfHaVWXzZXKliolDZiPtNl9UBZIKs6tUaNQ=";
+  cargoPatches = [
+    # Remove when new version of mdzk is released.
+    ./update-mdbook-for-rust-1.64.patch
+  ];
+
+  cargoHash = "sha256-5zGUBvmf68tCk5jGrNn+ukgYbiKzrlmZvWrYgoJf2zk=";
 
   buildInputs = lib.optionals stdenv.isDarwin [ CoreServices ];
 
diff --git a/pkgs/applications/misc/mdzk/update-mdbook-for-rust-1.64.patch b/pkgs/applications/misc/mdzk/update-mdbook-for-rust-1.64.patch
new file mode 100644
index 00000000000..79b7240b96f
--- /dev/null
+++ b/pkgs/applications/misc/mdzk/update-mdbook-for-rust-1.64.patch
@@ -0,0 +1,246 @@
+diff --git a/Cargo.lock b/Cargo.lock
+index ae63793..4068e02 100644
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -162,12 +162,46 @@ dependencies = [
+  "ansi_term",
+  "atty",
+  "bitflags",
+- "strsim",
+- "textwrap",
++ "strsim 0.8.0",
++ "textwrap 0.11.0",
+  "unicode-width",
+  "vec_map",
+ ]
+ 
++[[package]]
++name = "clap"
++version = "3.2.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "8e538f9ee5aa3b3963f09a997035f883677966ed50fce0292611927ce6f6d8c6"
++dependencies = [
++ "atty",
++ "bitflags",
++ "clap_lex",
++ "indexmap",
++ "lazy_static",
++ "strsim 0.10.0",
++ "termcolor",
++ "textwrap 0.15.1",
++]
++
++[[package]]
++name = "clap_complete"
++version = "3.2.5"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "3f7a2e0a962c45ce25afce14220bc24f9dade0a1787f185cecf96bfba7847cd8"
++dependencies = [
++ "clap 3.2.2",
++]
++
++[[package]]
++name = "clap_lex"
++version = "0.2.4"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
++dependencies = [
++ "os_str_bytes",
++]
++
+ [[package]]
+ name = "cpufeatures"
+ version = "0.2.1"
+@@ -222,9 +256,9 @@ dependencies = [
+ 
+ [[package]]
+ name = "env_logger"
+-version = "0.7.1"
++version = "0.9.1"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
++checksum = "c90bf5f19754d10198ccb95b70664fc925bd1fc090a0fd9a6ebc54acc8cd6272"
+ dependencies = [
+  "atty",
+  "humantime",
+@@ -385,15 +419,6 @@ dependencies = [
+  "version_check",
+ ]
+ 
+-[[package]]
+-name = "getopts"
+-version = "0.2.21"
+-source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
+-dependencies = [
+- "unicode-width",
+-]
+-
+ [[package]]
+ name = "getrandom"
+ version = "0.1.16"
+@@ -471,7 +496,7 @@ dependencies = [
+  "log",
+  "pest",
+  "pest_derive",
+- "quick-error 2.0.1",
++ "quick-error",
+  "serde",
+  "serde_json",
+ ]
+@@ -575,12 +600,9 @@ checksum = "6456b8a6c8f33fee7d958fcd1b60d55b11940a79e63ae87013e6d22e26034440"
+ 
+ [[package]]
+ name = "humantime"
+-version = "1.3.0"
++version = "2.1.0"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
+-dependencies = [
+- "quick-error 1.2.3",
+-]
++checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
+ 
+ [[package]]
+ name = "hyper"
+@@ -822,13 +844,14 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
+ 
+ [[package]]
+ name = "mdbook"
+-version = "0.4.15"
++version = "0.4.21"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "241f10687eb3b4e0634b3b4e423f97c5f1efbd69dc9522e24a8b94583eeec3c6"
++checksum = "23f3e133c6d515528745ffd3b9f0c7d975ae039f0b6abb099f2168daa2afb4f9"
+ dependencies = [
+  "anyhow",
+  "chrono",
+- "clap",
++ "clap 3.2.2",
++ "clap_complete",
+  "env_logger",
+  "handlebars",
+  "lazy_static",
+@@ -838,7 +861,6 @@ dependencies = [
+  "pulldown-cmark",
+  "regex",
+  "serde",
+- "serde_derive",
+  "serde_json",
+  "shlex",
+  "tempfile",
+@@ -1062,6 +1084,12 @@ dependencies = [
+  "winapi 0.3.9",
+ ]
+ 
++[[package]]
++name = "os_str_bytes"
++version = "6.3.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "9ff7415e9ae3fff1225851df9e0d9e4e5479f947619774677a63572e55e80eff"
++
+ [[package]]
+ name = "parking_lot"
+ version = "0.11.2"
+@@ -1258,17 +1286,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
+ checksum = "34f197a544b0c9ab3ae46c359a7ec9cbbb5c7bf97054266fecb7ead794a181d6"
+ dependencies = [
+  "bitflags",
+- "getopts",
+  "memchr",
+  "unicase",
+ ]
+ 
+-[[package]]
+-name = "quick-error"
+-version = "1.2.3"
+-source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
+-
+ [[package]]
+ name = "quick-error"
+ version = "2.0.1"
+@@ -1386,9 +1407,9 @@ dependencies = [
+ 
+ [[package]]
+ name = "regex"
+-version = "1.5.4"
++version = "1.6.0"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
++checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
+ dependencies = [
+  "aho-corasick",
+  "memchr",
+@@ -1403,9 +1424,9 @@ checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+ 
+ [[package]]
+ name = "regex-syntax"
+-version = "0.6.25"
++version = "0.6.27"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
++checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
+ 
+ [[package]]
+ name = "remove_dir_all"
+@@ -1577,13 +1598,19 @@ version = "0.8.0"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+ 
++[[package]]
++name = "strsim"
++version = "0.10.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
++
+ [[package]]
+ name = "structopt"
+ version = "0.3.26"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+ checksum = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"
+ dependencies = [
+- "clap",
++ "clap 2.33.3",
+  "lazy_static",
+  "structopt-derive",
+ ]
+@@ -1673,6 +1700,12 @@ dependencies = [
+  "unicode-width",
+ ]
+ 
++[[package]]
++name = "textwrap"
++version = "0.15.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++checksum = "949517c0cf1bf4ee812e2e07e08ab448e3ae0d23472aee8a06c985f0c8815b16"
++
+ [[package]]
+ name = "thiserror"
+ version = "1.0.30"
+diff --git a/Cargo.toml b/Cargo.toml
+index dfeeb45..8b1e4e5 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -38,7 +38,7 @@ handlebars = "4.2.1"
+ ignore = "0.4.18"
+ lazy_static = "1.4.0"
+ lazy-regex = "2.2.2"
+-mdbook = { version = "0.4.15", default-features = false }
++mdbook = { version = "0.4.21", default-features = false }
+ notify = "4.0.17"
+ pest = "2.1.3"
+ pest_derive = "2.1.0"
+diff --git a/src/renderer/mdzk_renderer.rs b/src/renderer/mdzk_renderer.rs
+index 55b2423..f8480ca 100644
+--- a/src/renderer/mdzk_renderer.rs
++++ b/src/renderer/mdzk_renderer.rs
+@@ -92,7 +92,7 @@ impl Renderer for HtmlMdzk {
+             "description",
+             json!(ctx.config.book.description.clone().unwrap_or_default()),
+         );
+-        if let Some(ref livereload) = html_config.livereload_url {
++        if let Some(ref livereload) = html_config.live_reload_endpoint {
+             data.insert("livereload", json!(livereload));
+         }
+         data.insert("fold_enable", json!(html_config.fold.enable));