diff --git a/package-lock.json b/package-lock.json
index 7f87354..5aadeb8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "clipboard": "^2.0",
         "eslint": "^8.19",
         "exec-bin": "^1.0.0",
-        "flexsearch": "^0.7.21",
+        "flexsearch": "^0.8.166",
         "highlight.js": "^11.5",
         "hugo-installer": ">=4.0.1",
         "instant.page": "^5.1",
@@ -3631,10 +3631,37 @@
       "dev": true
     },
     "node_modules/flexsearch": {
-      "version": "0.7.31",
-      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.31.tgz",
-      "integrity": "sha512-XGozTsMPYkm+6b5QL3Z9wQcJjNYxp0CYn3U1gO7dwD6PAqU1SVWZxI9CCg3z+ml3YfqdPnrBehaBrnH2AGKbNA==",
-      "dev": true
+      "version": "0.8.166",
+      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.8.166.tgz",
+      "integrity": "sha512-X3GY9OfQyP1tjyy18PbGeFoxLNWlAedqv1dH/ikLS/6OYCGehX7LjJcR5Zuo0WSNqyqwbbhec1CucCwR+Rgfig==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/ts-thomas"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/flexsearch"
+        },
+        {
+          "type": "patreon",
+          "url": "https://patreon.com/user?u=96245532"
+        },
+        {
+          "type": "liberapay",
+          "url": "https://liberapay.com/ts-thomas"
+        },
+        {
+          "type": "paypal",
+          "url": "https://www.paypal.com/donate/?hosted_button_id=GEVR88FC9BWRW"
+        },
+        {
+          "type": "bountysource",
+          "url": "https://salt.bountysource.com/teams/ts-thomas"
+        }
+      ],
+      "license": "Apache-2.0"
     },
     "node_modules/foreground-child": {
       "version": "3.1.1",
diff --git a/package.json b/package.json
index 3219705..101cd5f 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "clipboard": "^2.0",
     "eslint": "^8.19",
     "exec-bin": "^1.0.0",
-    "flexsearch": "^0.7.21",
+    "flexsearch": "^0.8.166",
     "highlight.js": "^11.5",
     "hugo-installer": ">=4.0.1",
     "instant.page": "^5.1",