diff --git a/package-lock.json b/package-lock.json
index 64fec39..f97dcdc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20338,14 +20338,14 @@
       }
     },
     "symbol-openapi-typescript-fetch-client": {
-      "version": "0.9.3-1",
-      "resolved": "https://registry.npmjs.org/symbol-openapi-typescript-fetch-client/-/symbol-openapi-typescript-fetch-client-0.9.3-1.tgz",
-      "integrity": "sha512-FskaZQaWE07bXE70tvLBn7LB9OGl6mwYdOTdrL3JZRwJSYsJky0eadOmCOndSFeMM86Qjb820TD3H/HMK8Ir7g=="
+      "version": "0.9.4",
+      "resolved": "https://registry.npmjs.org/symbol-openapi-typescript-fetch-client/-/symbol-openapi-typescript-fetch-client-0.9.4.tgz",
+      "integrity": "sha512-1HSnSRbxPeKMokQop2+t2tsinkjpfOhxLRXXn0OW3jAusU1r0fKRD0Izscl+cOqOpz08FEZSjUWvbnj9ePd3mQ=="
     },
     "symbol-sdk": {
-      "version": "0.20.4",
-      "resolved": "https://registry.npmjs.org/symbol-sdk/-/symbol-sdk-0.20.4.tgz",
-      "integrity": "sha512-vvUQMQA7YTChH2nJPsNB46/3SKr79yRtVLve5uJI/ZGbWLJ85m3kgdrmeQYVL7fdnDDMk2b3REsyJg7pEECTAw==",
+      "version": "0.20.5",
+      "resolved": "https://registry.npmjs.org/symbol-sdk/-/symbol-sdk-0.20.5.tgz",
+      "integrity": "sha512-j5q966uDTBU1JJ8AA0JQbTwDCp6Uq/He/BfGsu7MZxoFs479799dm5kz+KayIZUTpsnA+em+gnbkk1gi43KpDw==",
       "requires": {
         "bluebird": "^3.7.2",
         "catbuffer-typescript": "0.0.21",
@@ -20365,7 +20365,7 @@
         "ripemd160": "^2.0.2",
         "rxjs": "^6.5.3",
         "rxjs-compat": "^6.5.3",
-        "symbol-openapi-typescript-fetch-client": "0.9.3-1",
+        "symbol-openapi-typescript-fetch-client": "0.9.4",
         "tweetnacl": "^1.0.3",
         "utf8": "^3.0.0",
         "ws": "^7.2.3"
diff --git a/package.json b/package.json
index ac44e0c..85fc65f 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "homepage": "https://github.com/44uk/symbol-faucet",
   "private": true,
   "engines": {
-    "node": "8.11.1"
+    "node": "12.18.2"
   },
   "scripts": {
     "dev": "cross-env NODE_ENV=development nodemon server/index.ts --watch server",
@@ -49,7 +49,7 @@
     "rxjs": "^6.5.5",
     "stylus": "^0.54.7",
     "stylus-loader": "^3.0.2",
-    "symbol-sdk": "^0.20.4",
+    "symbol-sdk": "^0.20.5",
     "tls": "0.0.1",
     "tsconfig-paths": "^3.9.0",
     "utf-8-validate": "^5.0.2",