diff --git a/package-lock.json b/package-lock.json
index f060ba5..8ff21e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "js44d",
-  "version": "1.2.56",
+  "version": "1.2.57",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "js44d",
-      "version": "1.2.56",
+      "version": "1.2.57",
       "license": "MIT",
       "devDependencies": {
         "@angular-devkit/build-angular": "^12.1.4",
@@ -34,7 +34,7 @@
         "karma-jasmine-html-reporter": "^1.7.0",
         "ng-packagr": "^12.1.2",
         "protractor": "~7.0.0",
-        "rxjs": "^6.5.3",
+        "rxjs": "^6.6.7",
         "ts-node": "^10.1.0",
         "tslib": "^2.3.0",
         "tslint": "~6.1.3",
@@ -7054,9 +7054,9 @@
       "dev": true
     },
     "node_modules/http-cache-semantics": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz",
-      "integrity": "sha512-carPklcUh7ROWRK7Cv27RPtdhYhUsela/ue5/jKzjegVvXDqM2ILE9Q2BGn9JZJh1g87cp56su/FgQSzcWS8cQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.1.tgz",
+      "integrity": "sha512-er295DKPVsV82j5kw1Gjt+ADA/XYHsajl82cGNQG2eyoPkvgUhX+nDIyelzhIWbbsXP39EHcI6l5tYs2FYqYXQ==",
       "dev": true
     },
     "node_modules/http-deceiver": {
@@ -23080,9 +23080,9 @@
       "dev": true
     },
     "http-cache-semantics": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz",
-      "integrity": "sha512-carPklcUh7ROWRK7Cv27RPtdhYhUsela/ue5/jKzjegVvXDqM2ILE9Q2BGn9JZJh1g87cp56su/FgQSzcWS8cQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.1.tgz",
+      "integrity": "sha512-er295DKPVsV82j5kw1Gjt+ADA/XYHsajl82cGNQG2eyoPkvgUhX+nDIyelzhIWbbsXP39EHcI6l5tYs2FYqYXQ==",
       "dev": true
     },
     "http-deceiver": {