diff --git a/integration-tests/client-rpc/package-lock.json b/integration-tests/client-rpc/package-lock.json
index ecd8bb10b..61fb50622 100644
--- a/integration-tests/client-rpc/package-lock.json
+++ b/integration-tests/client-rpc/package-lock.json
@@ -573,17 +573,17 @@
       }
     },
     "json-bigint": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-0.3.0.tgz",
-      "integrity": "sha1-DM2RLEuCcNBfBW+9E4FLU9OCWx4=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-1.0.0.tgz",
+      "integrity": "sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ==",
       "requires": {
-        "bignumber.js": "^7.0.0"
+        "bignumber.js": "^9.0.0"
       },
       "dependencies": {
         "bignumber.js": {
-          "version": "7.2.1",
-          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
-          "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ=="
+          "version": "9.0.2",
+          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.2.tgz",
+          "integrity": "sha512-GAcQvbpsM0pUb0zw1EI0KhQEZ+lRwR5fYaAp3vPOYuP7aDvGy6cVN6XHLauvF8SOga2y0dcLcjt3iQDTSEliyw=="
         }
       }
     },
diff --git a/integration-tests/client-rpc/package.json b/integration-tests/client-rpc/package.json
index f66ddc38b..4d332913f 100644
--- a/integration-tests/client-rpc/package.json
+++ b/integration-tests/client-rpc/package.json
@@ -20,7 +20,7 @@
     "bignumber.js": "^8.1.1",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
-    "json-bigint": "^0.3.0",
+    "json-bigint": "^1.0.0",
     "lossless-json": "^1.0.3",
     "mocha": "^7.1.1",
     "sinon": "^7.3.2",