diff --git a/pkgs/tools/text/mdbook-pdf/default.nix b/pkgs/tools/text/mdbook-pdf/default.nix
index d94382524b9..5f3a1915b7b 100644
--- a/pkgs/tools/text/mdbook-pdf/default.nix
+++ b/pkgs/tools/text/mdbook-pdf/default.nix
@@ -3,23 +3,25 @@
 , fetchCrate
 , rustPlatform
 , pkg-config
+, rustfmt
 , openssl
 , CoreServices
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "mdbook-pdf";
-  version = "0.1.5";
+  version = "0.1.6";
 
   src = fetchCrate {
     inherit pname version;
-    hash = "sha256-822RQKgedxQ+VFNDv20tFUc2Xl56Ivub+/EXNrLRfGM=";
+    hash = "sha256-eaZ4LlswbVgC/pOZH3cevxGzlgKXFJnvcNMovqCEBOc=";
   };
 
-  cargoHash = "sha256-mX2EKjuWM1KW8DXFdYFKQfASjdqZCW78F1twZNQQr7o=";
+  cargoHash = "sha256-mj1heP231CWad6Uy4g9TCcDVj8f86Pf689kuePbzfBg=";
 
   nativeBuildInputs = [
     pkg-config
+    rustfmt
   ];
 
   buildInputs = [
@@ -28,6 +30,15 @@ rustPlatform.buildRustPackage rec {
     CoreServices
   ];
 
+  # Stop downloading from the Internet to
+  # generate the Chrome Devtools Protocol
+  DOCS_RS=true;
+
+  # # Stop formating with rustfmt, pending version update for
+  # # https://github.com/mdrokz/auto_generate_cdp/pull/8
+  # # to remove rustfmt dependency
+  # DO_NOT_FORMAT=true;
+
   # No test.
   doCheck = false;