diff --git a/stockmarket-angular/package-lock.json b/stockmarket-angular/package-lock.json
index 22f4755..405b82a 100644
--- a/stockmarket-angular/package-lock.json
+++ b/stockmarket-angular/package-lock.json
@@ -14,11 +14,6 @@
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       "integrity": "sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg="
     },
-    "deep-equal": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
-      "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU="
-    },
     "eventsource": {
       "version": "github:streamdataio/eventsource-js#92ceda879f6d4e6d45fd6bb6fc82ca12a0c2c5db",
       "from": "eventsource@github:streamdataio/eventsource-js#92ceda879f6d4e6d45fd6bb6fc82ca12a0c2c5db",
@@ -31,12 +26,9 @@
       "from": "eventsource-polyfill@github:streamdataio/EventSource#bc353046d1eef182642e1d85deb442a3fd62849e"
     },
     "fast-json-patch": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/fast-json-patch/-/fast-json-patch-2.0.6.tgz",
-      "integrity": "sha1-hv/4+GYjkaqBlyKGTWMuYD5u5gU=",
-      "requires": {
-        "deep-equal": "^1.0.1"
-      }
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/fast-json-patch/-/fast-json-patch-3.1.1.tgz",
+      "integrity": "sha512-vf6IHUX2SBcA+5/+4883dsIjpBTqmfBjmYiWK1savxQmFk4JfBMLa7ynTYOs1Rolp/T1betJxHiGD3g1Mn8lUQ=="
     },
     "original": {
       "version": "1.0.0",
@@ -62,8 +54,8 @@
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       "requires": {
         "core-js": "^2.4.1",
-        "eventsource": "eventsource@github:streamdataio/eventsource-js#92ceda879f6d4e6d45fd6bb6fc82ca12a0c2c5db",
-        "eventsource-polyfill": "eventsource-polyfill@github:streamdataio/EventSource#bc353046d1eef182642e1d85deb442a3fd62849e"
+        "eventsource": "github:streamdataio/eventsource-js#92ceda879f6d4e6d45fd6bb6fc82ca12a0c2c5db",
+        "eventsource-polyfill": "github:streamdataio/EventSource#bc353046d1eef182642e1d85deb442a3fd62849e"
       }
     },
     "streamdataio-js-sdk-auth": {
diff --git a/stockmarket-angular/package.json b/stockmarket-angular/package.json
index 1a1e212..523fcec 100644
--- a/stockmarket-angular/package.json
+++ b/stockmarket-angular/package.json
@@ -14,7 +14,7 @@
   "author": "Streamdataio support@streamdata.io",
   "license": "Apache-2.0",
   "dependencies": {
-    "fast-json-patch": "^2.0.3",
+    "fast-json-patch": "^3.1.1",
     "streamdataio-js-sdk": "^2.0.2",
     "streamdataio-js-sdk-auth": "^2.0.0"
   }