diff --git a/pkgs/by-name/my/mystmd/package.nix b/pkgs/by-name/my/mystmd/package.nix
index 6c4277ee5823..2be16bb1c83e 100644
--- a/pkgs/by-name/my/mystmd/package.nix
+++ b/pkgs/by-name/my/mystmd/package.nix
@@ -2,16 +2,16 @@
 
 buildNpmPackage rec {
   pname = "mystmd";
-  version = "1.1.53";
+  version = "1.1.55";
 
   src = fetchFromGitHub {
     owner = "executablebooks";
     repo = "mystmd";
     rev = "mystmd@${version}";
-    hash = "sha256-neJKlUk0NHdAh7y92Iyv2kouASPzv1PIl79+D0mgckI=";
+    hash = "sha256-aIqIcNXlzpvW90WJs9tJajXvnEQB0IiNCu8B62cwElo=";
   };
 
-  npmDepsHash = "sha256-bXvOzx89MR7KL9wsqzB1uorjGGjh++mw17Ni65LLz28=";
+  npmDepsHash = "sha256-QIGqx1Peogmdo1KLHkzUKqvAuA6jCJRfxeQ1X7p6vTM=";
 
   dontNpmInstall = true;