diff --git a/package.json b/package.json
index 8bcb9b005e264b5b34aa99afb1d974cfc99a2bb8..299b17de6dd2de230a1d3c422037b6f07280b00e 100644
--- a/package.json
+++ b/package.json
@@ -11,45 +11,43 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^7.1.3",
-    "@angular/cdk": "^7.1.1",
-    "@angular/common": "^7.1.3",
-    "@angular/compiler": "^7.1.3",
-    "@angular/core": "^7.1.3",
-    "@angular/flex-layout": "^7.0.0-beta.19",
-    "@angular/forms": "^7.1.3",
-    "@angular/http": "^7.1.3",
-    "@angular/material": "^7.1.1",
-    "@angular/platform-browser": "^7.1.3",
-    "@angular/platform-browser-dynamic": "^7.1.3",
-    "@angular/router": "^7.1.3",
-    "@types/file-saver": "^1.3.1",
-    "core-js": "^2.6.0",
+    "@angular/animations": "^6.1.1",
+    "@angular/cdk": "^6.4.2",
+    "@angular/common": "^6.1.1",
+    "@angular/compiler": "^6.1.1",
+    "@angular/core": "^6.1.1",
+    "@angular/flex-layout": "^6.0.0-beta.16",
+    "@angular/forms": "^6.1.1",
+    "@angular/http": "^6.1.1",
+    "@angular/material": "^6.4.2",
+    "@angular/platform-browser": "^6.1.1",
+    "@angular/platform-browser-dynamic": "^6.1.1",
+    "@angular/router": "^6.1.1",
+    "@types/file-saver": "^1.3.0",
+    "core-js": "^2.5.4",
     "file-saver": "^1.3.8",
-    "quill": "^1.3.6",
-    "rxjs": "^6.3.3",
-    "tslib": "^1.9.0",
+    "rxjs": "^6.0.0",
     "zone.js": "^0.8.26"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^0.11.3",
-    "@angular/cli": "^7.1.3",
-    "@angular/compiler-cli": "^7.1.3",
-    "@angular/language-service": "^7.1.3",
-    "@types/jasmine": "^2.8.12",
-    "@types/jasminewd2": "^2.0.6",
+    "@angular-devkit/build-angular": "~0.6.8",
+    "@angular/cli": "~6.1.2",
+    "@angular/compiler-cli": "^6.1.1",
+    "@angular/language-service": "^6.1.1",
+    "@types/jasmine": "~2.8.6",
+    "@types/jasminewd2": "~2.0.3",
     "@types/node": "~8.9.4",
     "codelyzer": "~4.2.1",
     "jasmine-core": "~2.99.1",
     "jasmine-spec-reporter": "~4.2.1",
-    "karma": "^3.1.3",
+    "karma": "^2.0.5",
     "karma-chrome-launcher": "~2.2.0",
-    "karma-coverage-istanbul-reporter": "^2.0.4",
+    "karma-coverage-istanbul-reporter": "~2.0.0",
     "karma-jasmine": "~1.1.1",
     "karma-jasmine-html-reporter": "^0.2.2",
-    "protractor": "^5.4.1",
+    "protractor": "^5.4.0",
     "ts-node": "~5.0.1",
     "tslint": "~5.9.1",
-    "typescript": "~3.1.6"
+    "typescript": "~2.9.2"
   }
 }