diff --git a/src/agent-prober/package.json b/src/agent-prober/package.json
index a4775e0..34fff78 100644
--- a/src/agent-prober/package.json
+++ b/src/agent-prober/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
     "prom-client": "^15.1.0",
diff --git a/src/bug-server-mock/package.json b/src/bug-server-mock/package.json
index 4963c20..f6f9efe 100644
--- a/src/bug-server-mock/package.json
+++ b/src/bug-server-mock/package.json
@@ -8,6 +8,6 @@
     "start": "node index.js"
   },
   "dependencies": {
-    "express": "^4.18.2"
+    "express": "^5.2.1"
   }
 }
diff --git a/src/dns-crawler/package.json b/src/dns-crawler/package.json
index ea30bdb..fc77004 100644
--- a/src/dns-crawler/package.json
+++ b/src/dns-crawler/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
     "prom-client": "^15.1.0",
diff --git a/src/indexer/package.json b/src/indexer/package.json
index 5f1c115..15636d8 100644
--- a/src/indexer/package.json
+++ b/src/indexer/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
     "@opensearch-project/opensearch": "^2.5.0",
diff --git a/src/mcp-crawler/package.json b/src/mcp-crawler/package.json
index bba1a2a..aa67f7e 100644
--- a/src/mcp-crawler/package.json
+++ b/src/mcp-crawler/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
     "prom-client": "^15.1.0",
diff --git a/src/normalizer/package.json b/src/normalizer/package.json
index 1c43cf6..c653514 100644
--- a/src/normalizer/package.json
+++ b/src/normalizer/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
     "prom-client": "^15.1.0",
diff --git a/src/resource-crawler/package.json b/src/resource-crawler/package.json
index cb5f9cf..a3b8617 100644
--- a/src/resource-crawler/package.json
+++ b/src/resource-crawler/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
     "prom-client": "^15.1.0",
diff --git a/src/search-api/package.json b/src/search-api/package.json
index 32bab6b..a4da2f0 100644
--- a/src/search-api/package.json
+++ b/src/search-api/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "redis": "^4.6.12",
     "@opensearch-project/opensearch": "^2.5.0",
diff --git a/src/signals-collector/package.json b/src/signals-collector/package.json
index a22f742..fd72381 100644
--- a/src/signals-collector/package.json
+++ b/src/signals-collector/package.json
@@ -9,7 +9,7 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
-    "express": "^4.18.2",
+    "express": "^5.2.1",
     "pg": "^8.11.3",
     "nats": "^2.19.0",
     "prom-client": "^15.1.0",