diff --git a/tools/challenge-parser/package.json b/tools/challenge-parser/package.json
index f6994e7af2..dfcd3103b8 100644
--- a/tools/challenge-parser/package.json
+++ b/tools/challenge-parser/package.json
@@ -26,7 +26,10 @@
     "js-yaml": "3.14.1",
     "lodash": "4.17.21",
     "mdast-builder": "1.1.1",
+    "mdast-util-from-markdown": "^0.8.5",
     "mdast-util-gfm": "0.1.2",
+    "mdast-util-gfm-strikethrough": "^0.2.3",
+    "mdast-util-gfm-table": "^0.1.6",
     "mdast-util-to-hast": "9.1.2",
     "micromark-extension-gfm-strikethrough": "0.6.5",
     "micromark-extension-gfm-table": "0.4.3",
diff --git a/tools/challenge-parser/parser/plugins/table-and-strikethrough.js b/tools/challenge-parser/parser/plugins/table-and-strikethrough.js
index e1a1472f1e..c277598467 100644
--- a/tools/challenge-parser/parser/plugins/table-and-strikethrough.js
+++ b/tools/challenge-parser/parser/plugins/table-and-strikethrough.js
@@ -1,6 +1,7 @@
 'use strict';
 
-var fromMarkdown = require('mdast-util-gfm/from-markdown');
+var strikethroughFromMD = require('mdast-util-gfm-strikethrough/from-markdown');
+var tableFromMD = require('mdast-util-gfm-table/from-markdown');
 var strikethrough = require('micromark-extension-gfm-strikethrough');
 var table = require('micromark-extension-gfm-table');
 
@@ -11,7 +12,8 @@ function tableAndStrikethrough() {
 
   add('micromarkExtensions', strikethrough());
   add('micromarkExtensions', table);
-  add('fromMarkdownExtensions', fromMarkdown);
+  add('fromMarkdownExtensions', strikethroughFromMD);
+  add('fromMarkdownExtensions', tableFromMD);
 
   function add(field, value) {
     if (data[field]) data[field].push(value);