diff --git a/package.json b/package.json
index 95b4dba..d083123 100644
--- a/package.json
+++ b/package.json
@@ -110,7 +110,7 @@
     "koa-basic-auth": "4.0.0",
     "koa-favicon": "2.1.0",
     "koa-mount": "4.0.0",
-    "lru-cache": "7.10.1",
+    "lru-cache": "7.18.3",
     "lz-string": "1.4.4",
     "mailparser": "3.5.0",
     "markdown-it": "13.0.1",
diff --git a/yarn.lock b/yarn.lock
index 5f4f077..d371403 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9080,10 +9080,10 @@ lowercase-keys@^2.0.0:
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
   integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
 
-lru-cache@7.10.1:
-  version "7.10.1"
-  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-7.10.1.tgz#db577f42a94c168f676b638d15da8fb073448cab"
-  integrity sha512-BQuhQxPuRl79J5zSXRP+uNzPOyZw2oFI9JLRQ80XswSvg21KMKNtQza9eF42rfI/3Z40RvzBdXgziEkudzjo8A==
+lru-cache@7.18.3:
+  version "7.18.3"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-7.18.3.tgz#f793896e0fd0e954a59dfdd82f0773808df6aa89"
+  integrity sha512-jumlc0BIUrS3qJGgIkWZsyfAM7NCWiBcCDhnd+3NNM5KbBmLTgHVfWBcg6W+rLUsIpzpERPsvwUP7CckAQSOoA==
 
 lru-cache@^4.0.1, lru-cache@^4.1.2:
   version "4.1.5"