diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..089240a
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,181 @@
+{
+  "name": "node-red-contrib-postgres-listen",
+  "version": "0.3.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
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+    },
+    "lodash": {
+      "version": "4.17.20",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
+    },
+    "node-postgres-named": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/node-postgres-named/-/node-postgres-named-2.4.1.tgz",
+      "integrity": "sha1-GgfQZjaI2V48wQVy04xfUOJyIsk=",
+      "requires": {
+        "lodash": "^4.0.0"
+      }
+    },
+    "node-red-contrib-re-postgres": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/node-red-contrib-re-postgres/-/node-red-contrib-re-postgres-0.2.2.tgz",
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+      "requires": {
+        "node-postgres-named": "^2.4.1",
+        "pg": "^7.18.2",
+        "pg-cursor": "^2.1.6"
+      },
+      "dependencies": {
+        "pg": {
+          "version": "7.18.2",
+          "resolved": "https://registry.npmjs.org/pg/-/pg-7.18.2.tgz",
+          "integrity": "sha512-Mvt0dGYMwvEADNKy5PMQGlzPudKcKKzJds/VbOeZJpb6f/pI3mmoXX0JksPgI3l3JPP/2Apq7F36O63J7mgveA==",
+          "requires": {
+            "buffer-writer": "2.0.0",
+            "packet-reader": "1.0.0",
+            "pg-connection-string": "0.1.3",
+            "pg-packet-stream": "^1.1.0",
+            "pg-pool": "^2.0.10",
+            "pg-types": "^2.1.0",
+            "pgpass": "1.x",
+            "semver": "4.3.2"
+          }
+        }
+      }
+    },
+    "packet-reader": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/packet-reader/-/packet-reader-1.0.0.tgz",
+      "integrity": "sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ=="
+    },
+    "pg": {
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-8.3.0.tgz",
+      "integrity": "sha512-jQPKWHWxbI09s/Z9aUvoTbvGgoj98AU7FDCcQ7kdejupn/TcNpx56v2gaOTzXkzOajmOEJEdi9eTh9cA2RVAjQ==",
+      "requires": {
+        "buffer-writer": "2.0.0",
+        "packet-reader": "1.0.0",
+        "pg-connection-string": "^2.3.0",
+        "pg-pool": "^3.2.1",
+        "pg-protocol": "^1.2.5",
+        "pg-types": "^2.1.0",
+        "pgpass": "1.x",
+        "semver": "4.3.2"
+      },
+      "dependencies": {
+        "pg-connection-string": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.3.0.tgz",
+          "integrity": "sha512-ukMTJXLI7/hZIwTW7hGMZJ0Lj0S2XQBCJ4Shv4y1zgQ/vqVea+FLhzywvPj0ujSuofu+yA4MYHGZPTsgjBgJ+w=="
+        },
+        "pg-pool": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.2.1.tgz",
+          "integrity": "sha512-BQDPWUeKenVrMMDN9opfns/kZo4lxmSWhIqo+cSAF7+lfi9ZclQbr9vfnlNaPr8wYF3UYjm5X0yPAhbcgqNOdA=="
+        }
+      }
+    },
+    "pg-connection-string": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-0.1.3.tgz",
+      "integrity": "sha1-2hhHsglA5C7hSSvq9l1J2RskXfc="
+    },
+    "pg-cursor": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/pg-cursor/-/pg-cursor-2.3.0.tgz",
+      "integrity": "sha512-9vOHIWz8T3BWDfif7CDeZVjXUhRv4qOz/FDxolNBBU6AYgK2GThxOYsY6vmNJWuA61rtRrpAorO+LyX9X3o/4A=="
+    },
+    "pg-int8": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
+      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw=="
+    },
+    "pg-packet-stream": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/pg-packet-stream/-/pg-packet-stream-1.1.0.tgz",
+      "integrity": "sha512-kRBH0tDIW/8lfnnOyTwKD23ygJ/kexQVXZs7gEyBljw4FYqimZFxnMMx50ndZ8In77QgfGuItS5LLclC2TtjYg=="
+    },
+    "pg-pool": {
+      "version": "2.0.10",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-2.0.10.tgz",
+      "integrity": "sha512-qdwzY92bHf3nwzIUcj+zJ0Qo5lpG/YxchahxIN8+ZVmXqkahKXsnl2aiJPHLYN9o5mB/leG+Xh6XKxtP7e0sjg=="
+    },
+    "pg-protocol": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.2.5.tgz",
+      "integrity": "sha512-1uYCckkuTfzz/FCefvavRywkowa6M5FohNMF5OjKrqo9PSR8gYc8poVmwwYQaBxhmQdBjhtP514eXy9/Us2xKg=="
+    },
+    "pg-types": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.2.0.tgz",
+      "integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
+      "requires": {
+        "pg-int8": "1.0.1",
+        "postgres-array": "~2.0.0",
+        "postgres-bytea": "~1.0.0",
+        "postgres-date": "~1.0.4",
+        "postgres-interval": "^1.1.0"
+      }
+    },
+    "pgpass": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.2.tgz",
+      "integrity": "sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=",
+      "requires": {
+        "split": "^1.0.0"
+      }
+    },
+    "postgres-array": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
+      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA=="
+    },
+    "postgres-bytea": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
+      "integrity": "sha1-AntTPAqokOJtFy1Hz5zOzFIazTU="
+    },
+    "postgres-date": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.6.tgz",
+      "integrity": "sha512-o2a4gxeFcox+CgB3Ig/kNHBP23PiEXHCXx7pcIIsvzoNz4qv+lKTyiSkjOXIMNUl12MO/mOYl2K6wR9X5K6Plg=="
+    },
+    "postgres-interval": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+      "requires": {
+        "xtend": "^4.0.0"
+      }
+    },
+    "semver": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
+      "integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
+    },
+    "split": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
+      "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
+      "requires": {
+        "through": "2"
+      }
+    },
+    "through": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
+    },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
+    }
+  }
+}
diff --git a/package.json b/package.json
index 68fc4c0..b15e916 100644
--- a/package.json
+++ b/package.json
@@ -3,8 +3,8 @@
   "version": "0.3.0",
   "description": "A Node-RED node to listen to pg_notify",
   "dependencies": {
-    "pg": "^6.1.5",
-    "node-red-contrib-re-postgres": "~0.1.9"
+    "pg": "^8.3.0",
+    "node-red-contrib-re-postgres": "~0.2.2"
   },
   "repository": {
     "type": "git",