diff --git a/package-lock.json b/package-lock.json
index 330b611..3f02491 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -196,9 +196,9 @@
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-      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-5.2.11.tgz",
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+      "version": "10.0.10",
+      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-10.0.10.tgz",
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@@ -554,6 +555,7 @@
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@@ -1347,7 +1349,8 @@
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-      "dev": true
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-      "dev": true
+      "dev": true,
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@@ -2536,7 +2540,8 @@
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-      "dev": true
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@@ -2981,13 +2986,15 @@
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-      "dev": true
+      "dev": true,
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       "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
       "dev": true,
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@@ -3658,7 +3665,8 @@
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@@ -3679,12 +3687,14 @@
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+          "dev": true,
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           "dev": true,
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@@ -3699,17 +3709,20 @@
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@@ -3826,7 +3839,8 @@
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-          "dev": true
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@@ -3838,6 +3852,7 @@
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@@ -3852,6 +3867,7 @@
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@@ -3859,12 +3875,14 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3883,6 +3901,7 @@
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@@ -3963,7 +3982,8 @@
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@@ -3975,6 +3995,7 @@
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@@ -4060,7 +4081,8 @@
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+          "dev": true,
+          "optional": true
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@@ -4096,6 +4118,7 @@
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+          "optional": true,
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@@ -4115,6 +4138,7 @@
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           "dev": true,
+          "optional": true,
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@@ -4158,12 +4182,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4172,6 +4198,7 @@
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       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
       "dev": true,
+      "optional": true,
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@@ -4230,6 +4257,7 @@
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       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "dev": true,
+      "optional": true,
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@@ -4562,7 +4590,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -4853,6 +4882,7 @@
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       "dev": true,
+      "optional": true,
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@@ -4863,6 +4893,7 @@
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           "dev": true,
+          "optional": true,
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@@ -4914,6 +4945,7 @@
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       "integrity": "sha1-rQFScUOi6Hc8+uapb1hla7UqNLI=",
       "dev": true,
+      "optional": true,
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@@ -4923,7 +4955,8 @@
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-      "dev": true
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+      "optional": true
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@@ -4936,6 +4969,7 @@
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       "dev": true,
+      "optional": true,
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@@ -4946,6 +4980,7 @@
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+          "optional": true,
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@@ -5903,13 +5938,15 @@
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-      "dev": true
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       "integrity": "sha1-UaGp50SOy9Ms2lRCFnW7IbwJPaY=",
       "dev": true,
+      "optional": true,
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@@ -5920,7 +5957,8 @@
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           "integrity": "sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es=",
-          "dev": true
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@@ -5928,7 +5966,8 @@
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-      "dev": true
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@@ -6791,7 +6830,8 @@
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-          "dev": true
+          "dev": true,
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@@ -6805,6 +6845,7 @@
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           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
+          "optional": true,
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@@ -6866,7 +6907,8 @@
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-          "dev": true
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+          "optional": true
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@@ -6921,13 +6963,15 @@
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       "integrity": "sha1-ecSQihwPXzdbc/6IjamCj23JY6Q=",
-      "dev": true
+      "dev": true,
+      "optional": true
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       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
       "dev": true,
+      "optional": true,
       "requires": {
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@@ -6960,7 +7004,8 @@
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       "integrity": "sha1-WG24EB2zDLRDjrVGc3pBqtDPE9U=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -7013,6 +7058,7 @@
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       "dev": true,
+      "optional": true,
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@@ -7711,7 +7757,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -8902,13 +8949,15 @@
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       "integrity": "sha1-fxFLW2X6s+KjWqd1uxLw0cZJvxY=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "smtp-connection": {
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       "resolved": "https://registry.npmjs.org/smtp-connection/-/smtp-connection-2.12.0.tgz",
       "integrity": "sha1-1275EnyyPCJZ7bHoNJwujV4tdME=",
       "dev": true,
+      "optional": true,
       "requires": {
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@@ -9140,6 +9189,7 @@
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       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
       "dev": true,
+      "optional": true,
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@@ -9150,6 +9200,7 @@
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       "dev": true,
+      "optional": true,
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@@ -9991,6 +10042,7 @@
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       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
+      "optional": true,
       "requires": {
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@@ -10092,7 +10144,8 @@
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       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -11700,6 +11753,7 @@
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       "dev": true,
+      "optional": true,
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diff --git a/package.json b/package.json
index cb3e550..3d35ae4 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "devDependencies": {
     "@angular/cli": "~1.7.4",
     "@angular/compiler-cli": "^5.2.0",
-    "@angular/language-service": "^5.2.0",
+    "@angular/language-service": "^10.0.10",
     "@types/jasmine": "~2.8.3",
     "@types/jasminewd2": "~2.0.2",
     "@types/node": "~6.0.60",