diff --git a/playground/package-lock.json b/playground/package-lock.json
index 78d31eb..f8436d0 100644
--- a/playground/package-lock.json
+++ b/playground/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@norest/playground",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -280,12 +280,12 @@
       }
     },
     "@angular/cdk": {
-      "version": "11.2.12",
-      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-11.2.12.tgz",
-      "integrity": "sha512-LImCQQ7n5OnTGXBAx1BaHgBBbdXiEtsNcHk5RvVURya9sswRcXRoa48EG3RyuT8mtqWsUdOX9+v4nCINLG4hZA==",
+      "version": "12.0.6",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-12.0.6.tgz",
+      "integrity": "sha512-GroS6U9u2GhZmm26XQ/YjKEtJvawI0p25eANi7mPg0pDvvi18Q+inJHE5TvCP8Xnw4Vd27oWv8k7OSm/UQOrAA==",
       "requires": {
         "parse5": "^5.0.0",
-        "tslib": "^2.0.0"
+        "tslib": "^2.1.0"
       },
       "dependencies": {
         "parse5": {
@@ -489,11 +489,11 @@
       }
     },
     "@angular/material": {
-      "version": "11.2.12",
-      "resolved": "https://registry.npmjs.org/@angular/material/-/material-11.2.12.tgz",
-      "integrity": "sha512-n3HDKoM552jLcmxtpTYzMUzV6V9vUBKyNs7SNdUfjuK00VJlTWMu03g/QWOj2Y9KftOuDUa8+N2XodwAr+jtCw==",
+      "version": "12.0.6",
+      "resolved": "https://registry.npmjs.org/@angular/material/-/material-12.0.6.tgz",
+      "integrity": "sha512-xZ3+f+obADIg1nRaTBy43/+lvCDkG/5J6SXOgCVP60rZJ3NYhlMcYvRcY8c2sd1//PCOJ+nQeGx3NHxhC7dUqA==",
       "requires": {
-        "tslib": "^2.0.0"
+        "tslib": "^2.1.0"
       }
     },
     "@angular/platform-browser": {
@@ -2508,9 +2508,9 @@
       },
       "dependencies": {
         "json5": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+          "integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
           "dev": true,
           "requires": {
             "minimist": "^1.2.0"
@@ -6174,13 +6174,10 @@
       "dev": true
     },
     "json5": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
-      "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.5"
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
+      "dev": true
     },
     "jsonc-parser": {
       "version": "3.0.0",
@@ -6852,6 +6849,11 @@
         "minimist": "^1.2.5"
       }
     },
+    "monaco-editor": {
+      "version": "0.24.0",
+      "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.24.0.tgz",
+      "integrity": "sha512-o1f0Lz6ABFNTtnEqqqvlY9qzNx24rQZx1RgYNQ8SkWkE+Ka63keHH/RqxQ4QhN4fs/UYOnvAtEUZsPrzccH++A=="
+    },
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -6941,6 +6943,14 @@
       "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==",
       "dev": true
     },
+    "ngx-monaco-editor": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/ngx-monaco-editor/-/ngx-monaco-editor-12.0.0.tgz",
+      "integrity": "sha512-/HXTILVwWvrk4OkT1p88nb+PGEqlecQot2VMTdSLbVW7A24fNZpDAF6tNR4Bp3V/abZjShDK8LfsqLePA0tPmw==",
+      "requires": {
+        "tslib": "^2.1.0"
+      }
+    },
     "nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",