diff --git a/lib/monologue.js b/lib/monologue.js
index f5d0372..5fba59c 100644
--- a/lib/monologue.js
+++ b/lib/monologue.js
@@ -117,7 +117,7 @@ var ConsecutiveDistinctPredicate = function() {
 var DistinctPredicate = function DistinctPredicateFactory() {
 	var previous = [];
 	return function DistinctPredicate( data ) {
-		var isDistinct = !_.any( previous, function( p ) {
+		var isDistinct = !_.some( previous, function( p ) {
 			if ( _.isObject( data ) || _.isArray( data ) ) {
 				return _.isEqual( data, p );
 			}
diff --git a/package.json b/package.json
index 696ab37..1633a6e 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "node": ">=0.4.0"
   },
   "dependencies": {
-    "lodash": "3.x",
+    "lodash": "^4.17.15",
     "riveter": "0.2.0"
   },
   "devDependencies": {
diff --git a/src/subscriptionDefinition.js b/src/subscriptionDefinition.js
index d5c4beb..33a7560 100644
--- a/src/subscriptionDefinition.js
+++ b/src/subscriptionDefinition.js
@@ -25,7 +25,7 @@ var ConsecutiveDistinctPredicate = function() {
 var DistinctPredicate = function DistinctPredicateFactory() {
 	var previous = [];
 	return function DistinctPredicate( data ) {
-		var isDistinct = !_.any( previous, function( p ) {
+		var isDistinct = !_.some( previous, function( p ) {
 			if ( _.isObject( data ) || _.isArray( data ) ) {
 				return _.isEqual( data, p );
 			}