diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index b48d67b..8744043
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@11ty/eleventy": "^0.9.0",
     "luxon": "^1.21.1",
-    "markdown-it": "^10.0.0",
+    "markdown-it": "^12.3.2",
     "markdown-it-anchor": "^5.2.5",
     "markdown-it-block-embed": "^0.0.3"
   },
diff --git a/yarn.lock b/yarn.lock
index 1ccbaf4..b256e1b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -272,6 +272,11 @@ argparse@^1.0.7:
   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"
+  integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
+
 arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
@@ -1577,10 +1582,10 @@ entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
 
-entities@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/entities/-/entities-2.0.0.tgz#68d6084cab1b079767540d80e56a39b423e4abf4"
-  integrity sha512-D9f7V0JSRwIxlRI2mjMqufDrRDnx8p+eEOz7aUM9SuvF8gsBzra0/6tbjl1m8eQHrZlYj6PxqE00hZ1SAIKPLw==
+entities@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-2.1.0.tgz#992d3129cf7df6870b96c57858c249a120f8b8b5"
+  integrity sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==
 
 errno@^0.1.2, errno@^0.1.3:
   version "0.1.7"
@@ -3113,6 +3118,13 @@ linkify-it@^2.0.0:
   dependencies:
     uc.micro "^1.0.1"
 
+linkify-it@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/linkify-it/-/linkify-it-3.0.3.tgz#a98baf44ce45a550efb4d49c769d07524cc2fa2e"
+  integrity sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==
+  dependencies:
+    uc.micro "^1.0.1"
+
 liquidjs@^6.4.3:
   version "6.4.3"
   resolved "https://registry.yarnpkg.com/liquidjs/-/liquidjs-6.4.3.tgz#c7caf7a3f6c87dc6a22a5a351328cf8f7298c243"
@@ -3262,14 +3274,14 @@ markdown-it-implicit-figures@^0.9.0:
   resolved "https://registry.yarnpkg.com/markdown-it-implicit-figures/-/markdown-it-implicit-figures-0.9.0.tgz#21bf562ab4fd177828febb5e24eda571cf9d1a58"
   integrity sha512-ykLQZmhy8QnNEm6NgImIrr+/QMe7gSnHgLhNAjz9GGCNdSLR7C/SLFNwGdUZq7vK3a0myWiOYE0tpaZuB0rWWw==
 
-markdown-it@^10.0.0:
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-10.0.0.tgz#abfc64f141b1722d663402044e43927f1f50a8dc"
-  integrity sha512-YWOP1j7UbDNz+TumYP1kpwnP0aEa711cJjrAQrzd0UXlbJfc5aAq0F/PZHjiioqDC1NKgvIMX+o+9Bk7yuM2dg==
+markdown-it@^12.3.2:
+  version "12.3.2"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-12.3.2.tgz#bf92ac92283fe983fe4de8ff8abfb5ad72cd0c90"
+  integrity sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==
   dependencies:
-    argparse "^1.0.7"
-    entities "~2.0.0"
-    linkify-it "^2.0.0"
+    argparse "^2.0.1"
+    entities "~2.1.0"
+    linkify-it "^3.0.1"
     mdurl "^1.0.1"
     uc.micro "^1.0.5"