diff --git a/reveal.js/package-lock.json b/reveal.js/package-lock.json
index 230f5e6..284f5f1 100644
--- a/reveal.js/package-lock.json
+++ b/reveal.js/package-lock.json
@@ -1615,9 +1615,9 @@
       }
     },
     "extend": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.0.tgz",
-      "integrity": "sha1-WkdDU7nzNT3dgXbf03uRyDpG8dQ=",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
       "dev": true
     },
     "extend-shallow": {
@@ -4408,14 +4408,6 @@
         "tough-cookie": "~2.4.3",
         "tunnel-agent": "^0.6.0",
         "uuid": "^3.3.2"
-      },
-      "dependencies": {
-        "extend": {
-          "version": "3.0.2",
-          "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
-          "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
-          "dev": true
-        }
       }
     },
     "require-directory": {