diff --git a/package-lock.json b/package-lock.json
index cf24948..e758b63 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3650,8 +3650,7 @@
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
       "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "coa": {
       "version": "2.0.2",
@@ -12783,8 +12782,7 @@
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/rx-lite/-/rx-lite-4.0.8.tgz",
       "integrity": "sha1-Cx4Rr4vESDbwSmQH6S2kJGe3lEQ=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "rx-lite-aggregates": {
       "version": "4.0.8",