diff --git a/ragdoc-view/package-lock.json b/ragdoc-view/package-lock.json
index 9201951bbfc386a139c2f508f934115766b39338..1f804d7c299857e07e1db55464c57cc0f38b2739 100644
--- a/ragdoc-view/package-lock.json
+++ b/ragdoc-view/package-lock.json
@@ -407,6 +407,21 @@
         "tslib": "^2.0.0"
       }
     },
+    "@angular/http": {
+      "version": "7.2.16",
+      "resolved": "https://registry.npmjs.org/@angular/http/-/http-7.2.16.tgz",
+      "integrity": "sha512-yvjbNyzFSmmz4UTjCdy5M8mk0cZqf9TvSf8yN5UVIwtw4joyuUdlgJCuin0qSbQOKIf/JjHoofpO2JkPCGSNww==",
+      "requires": {
+        "tslib": "^1.9.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.14.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+          "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+        }
+      }
+    },
     "@angular/platform-browser": {
       "version": "11.1.0",
       "resolved": "https://registry.npmjs.org/@angular/platform-browser/-/platform-browser-11.1.0.tgz",
@@ -11687,6 +11702,11 @@
         }
       }
     },
+    "rxjs-compat": {
+      "version": "6.6.3",
+      "resolved": "https://registry.npmjs.org/rxjs-compat/-/rxjs-compat-6.6.3.tgz",
+      "integrity": "sha512-y+wUqq7bS2dG+7rH2fNMoxsDiJ32RQzFxZQE/JdtpnmEZmwLQrb1tCiItyHxdXJHXjmHnnzFscn3b6PEmORGKw=="
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
diff --git a/ragdoc-view/package.json b/ragdoc-view/package.json
index e9986e820782a8acd1b00be1c76e3bff6a1b2a36..c29f3d342d8f58ee930eebe3e560a9896d892dc2 100644
--- a/ragdoc-view/package.json
+++ b/ragdoc-view/package.json
@@ -16,14 +16,16 @@
     "@angular/compiler": "^11.1.0",
     "@angular/core": "^11.1.0",
     "@angular/forms": "^11.1.0",
+    "@angular/http": "^7.2.16",
     "@angular/platform-browser": "^11.1.0",
     "@angular/platform-browser-dynamic": "^11.1.0",
     "@angular/router": "^11.1.0",
+    "codemirror": "5.25.2",
     "core-js": "^2.4.1",
     "rxjs": "^6.6.3",
-    "zone.js": "~0.11.3",
+    "rxjs-compat": "^6.6.3",
     "tslib": "^2.0.0",
-    "codemirror": "5.25.2"
+    "zone.js": "~0.11.3"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.1101.0",