diff --git a/pkgs/tools/text/mdbook-open-on-gh/default.nix b/pkgs/tools/text/mdbook-open-on-gh/default.nix
index 09b0db3866be..f334645ba5a4 100644
--- a/pkgs/tools/text/mdbook-open-on-gh/default.nix
+++ b/pkgs/tools/text/mdbook-open-on-gh/default.nix
@@ -1,4 +1,4 @@
-{ lib, rustPlatform, fetchFromGitHub }:
+{ lib, rustPlatform, fetchFromGitHub, fetchpatch }:
 
 rustPlatform.buildRustPackage rec {
   pname = "mdbook-open-on-gh";
@@ -8,10 +8,19 @@ rustPlatform.buildRustPackage rec {
     owner = "badboy";
     repo = pname;
     rev = "2.2.0";
-    sha256 = "sha256-x7ESuXoF5dYnJZpgDyYliVixCG4w/VX/Vhm3VqxsiEI=";
+    hash = "sha256-x7ESuXoF5dYnJZpgDyYliVixCG4w/VX/Vhm3VqxsiEI=";
   };
 
-  cargoSha256 = "sha256-FVcCzL0jJ827HHS/9G597QjNFY3HLNYHCPWcepEulD0=";
+  cargoPatches = [
+    # https://github.com/badboy/mdbook-open-on-gh/pull/7
+    (fetchpatch {
+      name = "update-mdbook-for-rust-1.64.patch";
+      url = "https://github.com/badboy/mdbook-open-on-gh/commit/bd20601bfcec144c9302b1ba1a1aff4b95b334d9.patch";
+      hash = "sha256-3Df9Q3sqCpZzqCN9fi+wdeWjLUW4XdywIS3QUjsDE9g=";
+    })
+  ];
+
+  cargoHash = "sha256-N0RwengTWk4luPIecIxzbFReGi+PtE77FJalPq1CdbA=";
 
   meta = with lib; {
     description = "mdbook preprocessor to add a open-on-github link on every page";