diff --git a/packages.json b/packages.json
index f591406..95f7e5b 100644
--- a/packages.json
+++ b/packages.json
@@ -22089,5 +22089,19 @@
     "description": "A tiny static file web server.",
     "license": "MIT",
     "web": "https://github.com/bung87/nimhttpd"
+  },
+  {
+    "name": "holst",
+    "url": "https://github.com/ruivieira/nim-holst",
+    "method": "git",
+    "tags": [
+      "jupyter",
+      "markdown",
+      "parser"
+    ],
+    "description": "A parser for Jupyter notebooks.",
+    "license": "AGPLv3",
+    "web": "https://github.com/ruivieira/nim-holst",
+    "doc": "https://ruivieira.github.io/nim-holst/holst.html"
   }
 ]