diff --git a/package-lock.json b/package-lock.json
index 226d73a..f35179c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "screeps",
-  "version": "4.1.12",
+  "version": "4.2.0-beta.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -28,9 +28,9 @@
       }
     },
     "@screeps/backend": {
-      "version": "3.1.4",
-      "resolved": "https://registry.npmjs.org/@screeps/backend/-/backend-3.1.4.tgz",
-      "integrity": "sha512-b7SYqKLoZO4CjeYHY8nGRiIpIXEyd35d003dct+zR63DnHgxeoNAGVO42CnIKbJqm+yPOr6Wj47nJhv5WYWdBw==",
+      "version": "3.2.0-beta.1",
+      "resolved": "https://registry.npmjs.org/@screeps/backend/-/backend-3.2.0-beta.1.tgz",
+      "integrity": "sha512-7Q0h18n3kJkXgs74f3HjiMlIEnXBMgwJEdZ44ApxmgUlahVJrg3lqKamnZat9gIq0sb0mQuGmwOTzsQVcH8uaw==",
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         "btoa": "^1.1.2",
@@ -49,9 +49,9 @@
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     "@screeps/common": {
-      "version": "2.13.2",
-      "resolved": "https://registry.npmjs.org/@screeps/common/-/common-2.13.2.tgz",
-      "integrity": "sha512-H2PYkU238W2io3Ol8DkWZalSsQqw3LqpV89GbWFwDE/yHAOFmZrxb8Mr8rFPFC4CWDz8qO5kOZ++KcfgArwS5Q==",
+      "version": "2.15.0-beta.1",
+      "resolved": "https://registry.npmjs.org/@screeps/common/-/common-2.15.0-beta.1.tgz",
+      "integrity": "sha512-Coke+Nx04v0E3Oo3hGQw6RMgX/sptJ/YV1pCs2j9s3lKHONpF+cuE7egIJUutG9Upi9EnDQxFA1Grg4qZu0CbA==",
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@@ -59,9 +59,9 @@
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-      "resolved": "https://registry.npmjs.org/@screeps/driver/-/driver-5.1.2.tgz",
-      "integrity": "sha512-n1nv/hjgUL8aY4EqhIp8A6sm9sV4/O0Yx3U82TZkG3Ybl95M6QX/QwzIAcN6hx0khaILxA8H+I33ieqAujiMjg==",
+      "version": "5.2.0-beta.1",
+      "resolved": "https://registry.npmjs.org/@screeps/driver/-/driver-5.2.0-beta.1.tgz",
+      "integrity": "sha512-9qHUSgXJcFzCIkcvq2spjHMiSGSoSXG7tkhMmUYUhMYllm1Q52hQY6lNUGQNUm4HJe0jE3sGP+P45T3HS4psdg==",
       "requires": {
         "generic-pool": "^3.4.1",
         "isolated-vm": "^2.0.1",
@@ -74,9 +74,9 @@
       }
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     "@screeps/engine": {
-      "version": "4.1.5",
-      "resolved": "https://registry.npmjs.org/@screeps/engine/-/engine-4.1.5.tgz",
-      "integrity": "sha512-TdCaNH3zyIAIHqDsUKaJnfE05NJzASBY831qfstJzkz7tR9WmobsYOkhS9NJaGWX3t7FaICMMcYjaFtOoO21eQ==",
+      "version": "4.2.0-beta.1",
+      "resolved": "https://registry.npmjs.org/@screeps/engine/-/engine-4.2.0-beta.1.tgz",
+      "integrity": "sha512-lYEL+ubYpVFGfGA3zsM3XFD4dtka0o8W/SVRPzeDXcV0J2IsWfOXtKU0VHC6f+aIm2vc+NzXYrjOTV9Vb2Ud0w==",
       "requires": {
         "@screeps/pathfinding": "^0.4.16",
         "bulk-require": "^0.2.1",
@@ -154,9 +154,9 @@
       }
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     "acorn-jsx": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.2.0.tgz",
-      "integrity": "sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ=="
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.1.tgz",
+      "integrity": "sha512-K0Ptm/47OKfQRpNQ2J/oIN/3QYiK6FwW+eJbILhsdxh2WTLdl+30o8aGdTbm5JbffpFFAg/g+zi1E+jvJha5ng=="
     },
     "ajv": {
       "version": "6.12.3",
@@ -1382,9 +1382,9 @@
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         },
         "lodash": {
-          "version": "4.17.19",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+          "version": "4.17.20",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
         },
         "ms": {
           "version": "2.1.2",
@@ -1439,9 +1439,9 @@
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       "dependencies": {
         "estraverse": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-5.1.0.tgz",
-          "integrity": "sha512-FyohXK+R0vE+y1nHLoBM7ZTyqRpqAlhdZHCWIWEviFLiGB8b04H6bQs8G+XTthacvT8VuwvteiP7RJSxMs8UEw=="
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-5.2.0.tgz",
+          "integrity": "sha512-BxbNGGNm0RyRYvUdHpIwv9IWzeM9XClbOxwoATuFdOE7ZE6wHL+HQ5T8hoPM+zHvmKzzsEqhgy0GrQ5X13afiQ=="
         }
       }
     },
@@ -2260,9 +2260,9 @@
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         },
         "lodash": {
-          "version": "4.17.19",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+          "version": "4.17.20",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
         },
         "strip-ansi": {
           "version": "5.2.0",
@@ -3719,9 +3719,9 @@
       "integrity": "sha512-tvVnVv01b8c1RrA6Ep7JkStj85Guv/YrMcwqYQnwjsAS2cTmmPGBBjAjpCW7RrSodNSoE2/qg9O4bceNvUuDgQ=="
     },
     "rxjs": {
-      "version": "6.6.0",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.6.0.tgz",
-      "integrity": "sha512-3HMA8z/Oz61DUHe+SdOiQyzIf4tOx5oQHmMir7IZEu6TMqCLHT4LRcmNaUS0NwOz8VLvmmBduMsoaUvMaIiqzg==",
+      "version": "6.6.3",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.6.3.tgz",
+      "integrity": "sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==",
       "requires": {
         "tslib": "^1.9.0"
       }
@@ -4033,9 +4033,9 @@
       }
     },
     "spdx-license-ids": {
-      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz",
-      "integrity": "sha512-J+FWzZoynJEXGphVIS+XEh3kFSjZX/1i9gFBaWQcB+/tmpe2qUsSBABpcxqxnAxFdiUFEgAX1bjYGQvIZmoz9Q=="
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.6.tgz",
+      "integrity": "sha512-+orQK83kyMva3WyPf59k1+Y525csj5JejicWut55zeTWANuN17qSiSLUXWtzHeNWORSvT7GLDJ/E/XiIWoXBTw=="
     },
     "split-string": {
       "version": "3.1.0",
@@ -4199,9 +4199,9 @@
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         },
         "lodash": {
-          "version": "4.17.19",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+          "version": "4.17.20",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
         },
         "string-width": {
           "version": "3.1.0",
diff --git a/package.json b/package.json
index 8fb1e4e..5930ef6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "screeps",
-  "version": "4.1.12",
+  "version": "4.2.0-beta.1",
   "description": "A standalone server for programming game Screeps",
   "main": "package.json",
   "bin": {
@@ -13,10 +13,10 @@
     "url": "https://github.com/screeps/screeps.git"
   },
   "dependencies": {
-    "@screeps/backend": "3.1.4",
-    "@screeps/common": "2.13.2",
-    "@screeps/driver": "5.1.2",
-    "@screeps/engine": "4.1.5",
+    "@screeps/backend": "3.2.0-beta.1",
+    "@screeps/common": "2.15.0-beta.1",
+    "@screeps/driver": "5.2.0-beta.1",
+    "@screeps/engine": "4.2.0-beta.1",
     "@screeps/launcher": "4.0.1",
     "@screeps/pathfinding": "0.4.16",
     "@screeps/storage": "5.1.1"