diff --git a/web/gui2/package.json b/web/gui2/package.json
index d60718b..feff664 100644
--- a/web/gui2/package.json
+++ b/web/gui2/package.json
@@ -1,56 +1,58 @@
 {
-    "name": "gui2",
-    "version": "2.3.4",
-    "license": "MIT",
-    "scripts": {
-        "postinstall": "patch-package && ngcc"
-    },
-    "private": true,
-    "dependencies": {
-        "@angular/animations": "9.0.0-rc.7",
-        "@angular/common": "9.0.0-rc.7",
-        "@angular/core": "9.0.0-rc.7",
-        "@angular/forms": "9.0.0-rc.7",
-        "@angular/http": "^7.2.15",
-        "@angular/platform-browser": "9.0.0-rc.7",
-        "@angular/platform-browser-dynamic": "9.0.0-rc.7",
-        "@angular/router": "9.0.0-rc.7",
-        "d3": "^5.15.0",
-        "rxjs": "^6.5.4",
-        "topojson-client": "^3.1.0",
-        "zone.js": "^0.10.2",
-        "tslib": "1.10.0"
-    },
-    "devDependencies": {
-        "@angular/bazel": "9.0.0-rc.7",
-        "@angular/cli": "9.0.0-rc.7",
-        "@angular/compiler": "9.0.0-rc.7",
-        "@angular/compiler-cli": "9.0.0-rc.7",
-        "@bazel/hide-bazel-files": "1.0.0",
-        "@bazel/karma": "^1.0.1",
-        "@bazel/protractor": "^1.0.1",
-        "@bazel/typescript": "1.0.1",
-        "@bazel/rollup": "^1.0.1",
-        "@bazel/terser": "^1.0.1",
-        "@compodoc/compodoc": "^1.1.3",
-        "@types/jasmine": "~3.4.0",
-        "@types/node": "6.14.9",
-        "core-js": "2.6.9",
-        "history-server": "^1.3.1",
-        "html-insert-assets": "^0.4.0",
-        "karma": "~4.1.0",
-        "karma-chrome-launcher": "~2.2.0",
-        "karma-firefox-launcher": "^1.1.0",
-        "karma-jasmine": "~2.0.1",
-        "karma-requirejs": "1.1.0",
-        "karma-sourcemap-loader": "0.3.7",
-        "patch-package": "^6.2.0",
-        "protractor": "~5.4.2",
-        "requirejs": "2.3.6",
-        "rollup": "^1.21.4",
-        "rollup-plugin-commonjs": "^10.1.0",
-        "rollup-plugin-node-resolve": "^5.2.0",
-        "terser": "4.3.1",
-        "typescript": "~3.6.4"
-    }
+  "name": "gui2",
+  "version": "2.3.5",
+  "license": "MIT",
+  "engines": {
+    "node": ">=10.9.0 <13.0.0",
+    "yarn": ">=1.9.2 <2.0.0"
+  },
+  "scripts": {
+    "postinstall": "ngcc"
+  },
+  "private": true,
+  "dependencies": {
+    "@angular/animations": "9.0.0-rc.10",
+    "@angular/common": "9.0.0-rc.10",
+    "@angular/core": "9.0.0-rc.10",
+    "@angular/forms": "9.0.0-rc.10",
+    "@angular/http": "^7.2.16",
+    "@angular/platform-browser": "9.0.0-rc.10",
+    "@angular/platform-browser-dynamic": "9.0.0-rc.10",
+    "@angular/router": "9.0.0-rc.10",
+    "d3": "^5.15.0",
+    "rxjs": "^6.5.4",
+    "topojson-client": "^3.1.0",
+    "zone.js": "0.10.2",
+    "tslib": "1.10.0"
+  },
+  "devDependencies": {
+    "@angular/bazel": "9.0.0-rc.10",
+    "@angular/cli": "9.0.0-rc.10",
+    "@angular/compiler": "9.0.0-rc.10",
+    "@angular/compiler-cli": "9.0.0-rc.10",
+    "@bazel/hide-bazel-files": "1.1.0",
+    "@bazel/karma": "1.1.0",
+    "@bazel/protractor": "1.1.0",
+    "@bazel/typescript": "1.1.0",
+    "@bazel/rollup": "1.1.0",
+    "@bazel/terser": "1.1.0",
+    "@types/jasmine": "3.4.0",
+    "@types/node": "6.14.9",
+    "core-js": "2.6.9",
+    "history-server": "^1.3.1",
+    "html-insert-assets": "^0.4.0",
+    "karma": "~4.1.0",
+    "karma-chrome-launcher": "2.2.0",
+    "karma-firefox-launcher": "1.1.0",
+    "karma-jasmine": "2.0.1",
+    "karma-requirejs": "1.1.0",
+    "karma-sourcemap-loader": "0.3.7",
+    "protractor": "~5.4.2",
+    "requirejs": "2.3.6",
+    "rollup": "^1.21.4",
+    "rollup-plugin-commonjs": "^10.1.0",
+    "rollup-plugin-node-resolve": "^5.2.0",
+    "terser": "4.3.1",
+    "typescript": "3.7.5"
+  }
 }