diff --git a/package.json b/package.json
index 52c7d79..a6dc1f5 100644
--- a/package.json
+++ b/package.json
@@ -31,33 +31,33 @@
     "node": "10.x"
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "^11.0.2",
+    "@rollup/plugin-commonjs": "^11.1.0",
     "@rollup/plugin-multi-entry": "^3.0.0",
-    "@rollup/plugin-node-resolve": "^7.1.1",
+    "@rollup/plugin-node-resolve": "^7.1.3",
     "@types/chai": "^4.1.6",
-    "@types/lodash": "^3.10.1",
+    "@types/lodash": "^3.10.3",
     "@types/mocha": "^5.2.5",
-    "@types/node": "^10.17.18",
+    "@types/node": "^13.13.1",
     "@types/screeps": "^3.1.0",
     "@types/sinon": "^5.0.5",
     "@types/sinon-chai": "^3.2.0",
     "chai": "^4.2.0",
     "lodash": "^3.10.1",
     "mocha": "^5.2.0",
-    "prettier": "^1.14.0",
-    "rollup": "^1.32.1",
-    "rollup-plugin-buble": "^0.19.4",
+    "prettier": "^2.0.4",
+    "rollup": "^2.6.1",
+    "rollup-plugin-buble": "^0.19.8",
     "rollup-plugin-clear": "^2.0.7",
     "rollup-plugin-nodent": "^0.2.2",
-    "rollup-plugin-screeps": "^0.1.2",
+    "rollup-plugin-screeps": "^1.0.0",
     "rollup-plugin-typescript2": "^0.27.0",
     "sinon": "^6.3.5",
     "sinon-chai": "^3.2.0",
-    "ts-node": "^7.0.1",
-    "tslint": "^5.9.1",
-    "tslint-config-prettier": "^1.14.0",
-    "tslint-plugin-prettier": "^1.3.0",
-    "typescript": "^2.9.2"
+    "ts-node": "^8.8.2",
+    "tslint": "^6.1.1",
+    "tslint-config-prettier": "^1.18.0",
+    "tslint-plugin-prettier": "^2.3.0",
+    "typescript": "^3.8.3"
   },
   "dependencies": {
     "source-map": "~0.6.1"
diff --git a/src/types.d.ts b/src/types.d.ts
index 00727b9..6e34eff 100644
--- a/src/types.d.ts
+++ b/src/types.d.ts
@@ -1,5 +1,12 @@
 // example declaration file - remove these and add your own custom typings
 
+// Shim to allow continued use of global lodash without having to explicitley import in every file.
+// as of @types/lodash@3.10.3
+import _ from "lodash";
+declare global {
+  const _: typeof _;
+}
+
 // memory extension samples
 interface CreepMemory {
   role: string;