diff --git a/publisher/server_only/package.json b/publisher/server_only/package.json
index 6231dad..cabf7b5 100644
--- a/publisher/server_only/package.json
+++ b/publisher/server_only/package.json
@@ -15,7 +15,7 @@
     "axios": "^0.23.0",
     "cookie-session": "^1.4.0",
     "ejs": "^3.1.7",
-    "express": "~4.16.1",
+    "express": "^4.18.2",
     "nocache": "^3.0.1"
   },
   "devDependencies": {
diff --git a/publisher/standard/package.json b/publisher/standard/package.json
index b738b5a..7e8169e 100644
--- a/publisher/standard/package.json
+++ b/publisher/standard/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "axios": "^0.23.0",
     "ejs": "^3.1.7",
-    "express": "~4.16.1"
+    "express": "^4.18.2"
   },
   "devDependencies": {
     "eslint": "^7.29.0",