diff --git a/package-lock.json b/package-lock.json
index df673dd..311e65b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
         "@11ty/eleventy": "^3.1.5",
         "@11ty/eleventy-utils": "^2.0.7",
         "date-fns": "^4.1.0",
-        "deepmerge": "^4.2.2",
+        "deepmerge": "^4.3.1",
         "eleventy-plugin-unified": "^1.0.0",
         "hast-util-from-html": "^1.0.0",
         "rehype-format": "^4.0.1",
@@ -825,9 +825,9 @@
       "dev": true
     },
     "node_modules/deepmerge": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.2.2.tgz",
-      "integrity": "sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.3.1.tgz",
+      "integrity": "sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==",
       "engines": {
         "node": ">=0.10.0"
       }
@@ -5495,9 +5495,9 @@
       "dev": true
     },
     "deepmerge": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.2.2.tgz",
-      "integrity": "sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg=="
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.3.1.tgz",
+      "integrity": "sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A=="
     },
     "depd": {
       "version": "2.0.0",
diff --git a/package.json b/package.json
index 1c8917b..f6d3ae6 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@11ty/eleventy": "^3.1.5",
     "@11ty/eleventy-utils": "^2.0.7",
     "date-fns": "^4.1.0",
-    "deepmerge": "^4.2.2",
+    "deepmerge": "^4.3.1",
     "eleventy-plugin-unified": "^1.0.0",
     "hast-util-from-html": "^1.0.0",
     "rehype-format": "^4.0.1",