diff --git a/package-lock.json b/package-lock.json
index 6ef5238..d5c0db6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -254,24 +254,33 @@
       }
     },
     "ampersand-class-extend": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/ampersand-class-extend/-/ampersand-class-extend-1.0.2.tgz",
-      "integrity": "sha1-jjqxJdCb976UO1DpjM5G/1F8vpE=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ampersand-class-extend/-/ampersand-class-extend-2.0.0.tgz",
+      "integrity": "sha1-Uolf+lkhdjSmGI/RhLEEj12Aiv8=",
       "requires": {
-        "lodash.assign": "^3.0.0"
+        "lodash": "^4.11.1"
       }
     },
     "ampersand-collection": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/ampersand-collection/-/ampersand-collection-1.6.1.tgz",
-      "integrity": "sha1-Qw9lTPcC4Z0drGzSEXVdUDFyoMk=",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/ampersand-collection/-/ampersand-collection-2.0.2.tgz",
+      "integrity": "sha512-IjDa4HTL/tdQDDL0SGyWk4AHD02iNtUSLRWkAsJ2biPvapljW9HNgIEIdbPnnR+7Gb9BJkjesaLNjVZfAMzeuA==",
       "requires": {
-        "ampersand-class-extend": "^1.0.0",
-        "ampersand-events": "^1.0.1",
+        "ampersand-class-extend": "^2.0.0",
+        "ampersand-events": "^2.0.1",
         "ampersand-version": "^1.0.2",
-        "lodash.assign": "^3.0.0",
-        "lodash.bind": "^3.1.0",
-        "lodash.isarray": "^3.0.1"
+        "lodash": "^4.11.1"
+      },
+      "dependencies": {
+        "ampersand-events": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/ampersand-events/-/ampersand-events-2.0.2.tgz",
+          "integrity": "sha1-9AK8LhgwX6vZldvc07cFe73X00c=",
+          "requires": {
+            "ampersand-version": "^1.0.2",
+            "lodash": "^4.6.1"
+          }
+        }
       }
     },
     "ampersand-collection-lodash-mixin": {
diff --git a/package.json b/package.json
index 02eea4f..1d951d3 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "@mongodb-js/triejs": "^0.1.5",
-    "ampersand-collection": "^1.6.1",
+    "ampersand-collection": "^2.0.2",
     "ampersand-model": "^6.0.2",
     "ampersand-rest-collection": "^6.0.0",
     "async": "^3.2.0",