diff --git a/courses/cloud-spanner/omegatrade/backend/package-lock.json b/courses/cloud-spanner/omegatrade/backend/package-lock.json
old mode 100755
new mode 100644
index 7575901dba..cad421306d
--- a/courses/cloud-spanner/omegatrade/backend/package-lock.json
+++ b/courses/cloud-spanner/omegatrade/backend/package-lock.json
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+          "integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A=="
+        }
+      }
+    },
     "signal-exit": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
@@ -2339,7 +2682,7 @@
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
     },
     "uuid": {
       "version": "8.3.2",
diff --git a/courses/cloud-spanner/omegatrade/backend/package.json b/courses/cloud-spanner/omegatrade/backend/package.json
old mode 100755
new mode 100644
index 2ce76e53c6..8e92f19d30
--- a/courses/cloud-spanner/omegatrade/backend/package.json
+++ b/courses/cloud-spanner/omegatrade/backend/package.json
@@ -16,7 +16,7 @@
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
     "dotenv": "^8.2.0",
-    "express": "^4.17.1",
+    "express": "^4.19.2",
     "fake-stock-market-generator": "^1.0.3",
     "jsonwebtoken": "^8.5.1",
     "node-schedule": "^1.3.2",