diff --git a/package.json b/package.json
index 89b95e5..1caeae3 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "husky": "^0.14.3",
     "isogram": "^0.5.0",
     "js-yaml": "^3.3.1",
-    "markdown-it": "^4.2.1",
+    "markdown-it": "^12.3.2",
     "markdown-it-toc-and-anchor": "^1.0.1",
     "metalsmith": "^2.0.1",
     "metalsmith-collections": "^0.7.0",
diff --git a/yarn.lock b/yarn.lock
index 45dbdc5..96130b3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -229,6 +229,10 @@ argparse@^1.0.7, argparse@~1.0.2:
   dependencies:
     sprintf-js "~1.0.2"
 
+argparse@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
+
 arr-diff@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
@@ -2210,6 +2214,10 @@ entities@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
+entities@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-2.1.0.tgz#992d3129cf7df6870b96c57858c249a120f8b8b5"
+
 envify@^3.0.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/envify/-/envify-3.4.1.tgz#d7122329e8df1688ba771b12501917c9ce5cbce8"
@@ -3934,6 +3942,12 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+linkify-it@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/linkify-it/-/linkify-it-3.0.3.tgz#a98baf44ce45a550efb4d49c769d07524cc2fa2e"
+  dependencies:
+    uc.micro "^1.0.1"
+
 linkify-it@~1.2.0:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/linkify-it/-/linkify-it-1.2.4.tgz#0773526c317c8fd13bd534ee1d180ff88abf881a"
@@ -4090,6 +4104,16 @@ markdown-it-toc-and-anchor@^1.0.1:
   dependencies:
     markdown-it "^4.2.1"
 
+markdown-it@^12.3.2:
+  version "12.3.2"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-12.3.2.tgz#bf92ac92283fe983fe4de8ff8abfb5ad72cd0c90"
+  dependencies:
+    argparse "^2.0.1"
+    entities "~2.1.0"
+    linkify-it "^3.0.1"
+    mdurl "^1.0.1"
+    uc.micro "^1.0.5"
+
 markdown-it@^4.2.1:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-4.4.0.tgz#3df373dbea587a9a7fef3e56311b68908f75c414"
@@ -4111,7 +4135,7 @@ md5.js@^1.3.4:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-mdurl@~1.0.0:
+mdurl@^1.0.1, mdurl@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"
 
@@ -6806,9 +6830,9 @@ ua-parser-js@^0.7.9:
   version "0.7.17"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.17.tgz#e9ec5f9498b9ec910e7ae3ac626a805c4d09ecac"
 
-uc.micro@^1.0.0, uc.micro@^1.0.1:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.3.tgz#7ed50d5e0f9a9fb0a573379259f2a77458d50192"
+uc.micro@^1.0.0, uc.micro@^1.0.1, uc.micro@^1.0.5:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
 
 uglify-es@^3.3.4:
   version "3.3.8"