diff --git a/olib-rss-angular7/olib-rss-angular7/package-lock.json b/olib-rss-angular7/olib-rss-angular7/package-lock.json
index 89f9ffe..4790fb3 100644
--- a/olib-rss-angular7/olib-rss-angular7/package-lock.json
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+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "dev": true,
           "requires": {
diff --git a/olib-rss-angular7/olib-rss-angular7/package.json b/olib-rss-angular7/olib-rss-angular7/package.json
index 1e3f217..1bd29fa 100644
--- a/olib-rss-angular7/olib-rss-angular7/package.json
+++ b/olib-rss-angular7/olib-rss-angular7/package.json
@@ -16,7 +16,7 @@
     "@angular/cdk": "^7.0.3",
     "@angular/common": "~7.1.0",
     "@angular/compiler": "~7.1.0",
-    "@angular/core": "~7.1.0",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~7.1.0",
     "@angular/http": "^7.0.3",
     "@angular/platform-browser": "~7.1.0",