diff --git a/package-lock.json b/package-lock.json
index 1dc0752..193fca7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -63,6 +63,12 @@
             "supports-color": "^5.3.0"
           }
         },
+        "luxon": {
+          "version": "1.28.1",
+          "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.28.1.tgz",
+          "integrity": "sha512-gYHAa180mKrNIUJCbwpmD0aTu9kV0dREDrwNnuyFAsO1Wt0EVYSZelPnJlbj9HplzXX/YWXHFTL45kvZ53M0pw==",
+          "dev": true
+        },
         "supports-color": {
           "version": "5.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -84,6 +90,14 @@
         "luxon": "^1.0.0",
         "posthtml": "^0.11.2",
         "posthtml-urls": "1.0.0"
+      },
+      "dependencies": {
+        "luxon": {
+          "version": "1.28.1",
+          "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.28.1.tgz",
+          "integrity": "sha512-gYHAa180mKrNIUJCbwpmD0aTu9kV0dREDrwNnuyFAsO1Wt0EVYSZelPnJlbj9HplzXX/YWXHFTL45kvZ53M0pw==",
+          "dev": true
+        }
       }
     },
     "@11ty/eleventy-plugin-syntaxhighlight": {
@@ -5923,9 +5937,9 @@
       }
     },
     "luxon": {
-      "version": "1.24.1",
-      "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.24.1.tgz",
-      "integrity": "sha512-CgnIMKAWT0ghcuWFfCWBnWGOddM0zu6c4wZAWmD0NN7MZTnro0+833DF6tJep+xlxRPg4KtsYEHYLfTMBQKwYg==",
+      "version": "2.5.2",
+      "resolved": "https://registry.npmjs.org/luxon/-/luxon-2.5.2.tgz",
+      "integrity": "sha512-Yg7/RDp4nedqmLgyH0LwgGRvMEKVzKbUdkBYyCosbHgJ+kaOUx0qzSiSatVc3DFygnirTPYnMM2P5dg2uH1WvA==",
       "dev": true
     },
     "make-dir": {
diff --git a/package.json b/package.json
index 209e0eb..ad57292 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "babel-cli": "^6.26.0",
     "babel-preset-es2015": "^6.24.1",
     "css-loader": "^2.1.1",
-    "luxon": "^1.24.1",
+    "luxon": "^2.5.2",
     "markdown-it": "^8.4.1",
     "markdown-it-anchor": "^5.3.0",
     "node-sass": "^4.14.1",