diff --git a/package-lock.json b/package-lock.json
index f70d74e..8c6a98d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,14 +20,14 @@
         "clipboard": "^2.0.11",
         "eslint": "^8.56.0",
         "exec-bin": "^1.0.0",
-        "flexsearch": "^0.7.41",
+        "flexsearch": "^0.7.31",
         "highlight.js": "^11.9.0",
         "hugo-installer": "^4.0.1",
         "instant.page": "^5.2.0",
         "katex": "^0.16.9",
         "lazysizes": "^5.3.2",
         "markdownlint-cli2": "^0.11.0",
-        "postcss": "^8.4.33",
+        "postcss": "^8.4.32",
         "postcss-cli": "^11.0.0",
         "purgecss-whitelister": "^2.4.0",
         "shx": "^0.3.4",
@@ -3664,9 +3664,9 @@
       "dev": true
     },
     "node_modules/flexsearch": {
-      "version": "0.7.41",
-      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.41.tgz",
-      "integrity": "sha512-nlSsN+cLeoOMEPivjjMuYdMN7WdCKaogCirVZNxQ8a34reoKZvxDxbAtIoAK1ewmkXd5dz8Pb2kwwYJ6b/07PQ==",
+      "version": "0.7.31",
+      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.31.tgz",
+      "integrity": "sha512-XGozTsMPYkm+6b5QL3Z9wQcJjNYxp0CYn3U1gO7dwD6PAqU1SVWZxI9CCg3z+ml3YfqdPnrBehaBrnH2AGKbNA==",
       "dev": true
     },
     "node_modules/form-data-encoder": {
@@ -5464,9 +5464,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.33",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.33.tgz",
-      "integrity": "sha512-Kkpbhhdjw2qQs2O2DGX+8m5OVqEcbB9HRBvuYM9pgrjEFUg30A9LmXNlTAUj4S9kgtGyrMbTzVjH7E+s5Re2yg==",
+      "version": "8.4.32",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.32.tgz",
+      "integrity": "sha512-D/kj5JNu6oo2EIy+XL/26JEDTlIbB8hw85G8StOE6L74RQAVVP5rej6wxCNqyMbR4RkPfqvezVbPw81Ngd6Kcw==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index 9e62c82..a9408c6 100644
--- a/package.json
+++ b/package.json
@@ -46,14 +46,14 @@
     "clipboard": "^2.0.11",
     "eslint": "^8.56.0",
     "exec-bin": "^1.0.0",
-    "flexsearch": "^0.7.41",
+    "flexsearch": "^0.7.31",
     "highlight.js": "^11.9.0",
     "hugo-installer": "^4.0.1",
     "instant.page": "^5.2.0",
     "katex": "^0.16.9",
     "lazysizes": "^5.3.2",
     "markdownlint-cli2": "^0.11.0",
-    "postcss": "^8.4.33",
+    "postcss": "^8.4.32",
     "postcss-cli": "^11.0.0",
     "purgecss-whitelister": "^2.4.0",
     "shx": "^0.3.4",