diff --git a/package.json b/package.json
index 6970b5b..7e281b9 100644
--- a/package.json
+++ b/package.json
@@ -33,36 +33,36 @@
     "node": "10.x || 12.x"
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "^11.1.0",
-    "@rollup/plugin-node-resolve": "^7.1.3",
+    "@rollup/plugin-commonjs": "^20.0.0",
+    "@rollup/plugin-node-resolve": "^13.0.4",
     "@types/chai": "^4.1.6",
     "@types/lodash": "3.10.2",
     "@types/mocha": "^5.2.5",
     "@types/node": "^13.13.1",
-    "@types/screeps": "^3.1.0",
+    "@types/screeps": "^3.2.3",
     "@types/sinon": "^5.0.5",
     "@types/sinon-chai": "^3.2.0",
-    "@typescript-eslint/eslint-plugin": "^3.7.0",
-    "@typescript-eslint/parser": "^3.7.0",
-    "@typescript-eslint/typescript-estree": "^3.7.0",
+    "@typescript-eslint/eslint-plugin": "^4.29.1",
+    "@typescript-eslint/parser": "^4.29.1",
+    "@typescript-eslint/typescript-estree": "^4.29.1",
     "chai": "^4.2.0",
-    "eslint": "^6.8.0",
-    "eslint-config-prettier": "^6.11.0",
-    "eslint-import-resolver-typescript": "^2.0.0",
-    "eslint-plugin-import": "^2.22.0",
-    "eslint-plugin-prettier": "^3.1.4",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-import-resolver-typescript": "^2.4.0",
+    "eslint-plugin-import": "^2.24.0",
+    "eslint-plugin-prettier": "^3.4.0",
     "lodash": "^3.10.1",
     "mocha": "^5.2.0",
-    "prettier": "^2.0.4",
-    "rollup": "^2.6.1",
+    "prettier": "^2.3.2",
+    "rollup": "^2.56.2",
     "rollup-plugin-clear": "^2.0.7",
-    "rollup-plugin-screeps": "^1.0.0",
-    "rollup-plugin-typescript2": "^0.27.0",
+    "rollup-plugin-screeps": "^1.0.1",
+    "rollup-plugin-typescript2": "^0.30.0",
     "sinon": "^6.3.5",
     "sinon-chai": "^3.2.0",
-    "ts-node": "^8.8.2",
-    "tsconfig-paths": "^3.9.0",
-    "typescript": "^3.8.3"
+    "ts-node": "^10.2.0",
+    "tsconfig-paths": "^3.10.1",
+    "typescript": "^4.3.5"
   },
   "dependencies": {
     "source-map": "~0.6.1"