diff --git a/pkgs/by-name/md/mdbook-mermaid/package.nix b/pkgs/by-name/md/mdbook-mermaid/package.nix
index a88716ec4fce..f3109e1ecc73 100644
--- a/pkgs/by-name/md/mdbook-mermaid/package.nix
+++ b/pkgs/by-name/md/mdbook-mermaid/package.nix
@@ -6,17 +6,17 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "mdbook-mermaid";
-  version = "0.14.1";
+  version = "0.15.0";
 
   src = fetchFromGitHub {
     owner = "badboy";
     repo = "mdbook-mermaid";
     tag = "v${version}";
-    hash = "sha256-hqz2zUdDZjbe3nq4YpL68XJ64qpbjANag9S2uAM5nXg=";
+    hash = "sha256-+Dk3wW1pLWVfJy+OC648BQ5rZrHYqPdjV2hfJSIV6m0=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-yb4EWSl/mQp5q9fmYUq6UEdsknqfUx//BZ8IK/BVs7g=";
+  cargoHash = "sha256-LbDlxQ2sbyYlXOzvA+9tLRxqGGxtgQ9KujsD7UBzskM=";
 
   meta = {
     description = "Preprocessor for mdbook to add mermaid.js support";