diff --git a/package-lock.json b/package-lock.json
index 8f617a0..d49b385 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@cfworker/json-schema": "4.1.1",
         "clipboard": "2.0.11",
-        "flexsearch": "0.7.43",
+        "flexsearch": "0.8.154",
         "katex": "0.16.22",
         "lodash": "4.17.21",
         "mermaid": "11.6.0",
@@ -5208,9 +5208,35 @@
       "license": "ISC"
     },
     "node_modules/flexsearch": {
-      "version": "0.7.43",
-      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.43.tgz",
-      "integrity": "sha512-c5o/+Um8aqCSOXGcZoqZOm+NqtVwNsvVpWv6lfmSclU954O3wvQKxxK8zj74fPaSJbXpSLTs4PRhh+wnoCXnKg==",
+      "version": "0.8.154",
+      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.8.154.tgz",
+      "integrity": "sha512-1ZMU22O0DHwmK6WZ6hMzMZD79wlyxQ3Bj6JtRhtGnUbIUkx+A7AJs5Yjp7PIEt5INLui15KVdDpI5zlXJDOjfA==",
+      "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/fn.name": {
diff --git a/package.json b/package.json
index 76a331e..96834d0 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "dependencies": {
     "@cfworker/json-schema": "4.1.1",
     "clipboard": "2.0.11",
-    "flexsearch": "0.7.43",
+    "flexsearch": "0.8.154",
     "katex": "0.16.22",
     "lodash": "4.17.21",
     "mermaid": "11.6.0",