diff --git a/index.js b/index.js
index 70f2cb2..94c18ca 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,7 @@
 "use strict";
 
+var arrayMethodPattern = /^(?:push|pop|shift|unshift|fill|reverse|splice)$/;
+
 module.exports = {
     rules: {
         "no-let": function(context) {
@@ -26,17 +28,29 @@ module.exports = {
 					}
 				}
 			}
-		}		
     },
+    "no-array-mutation": function(context) {
+			return {
+				"Identifier": function(node) {
+          if (node.parent.type === "MemberExpression"
+            && node.parent.parent.callee === node.parent
+            && arrayMethodPattern.test(node.name)) {
+						context.report(node, "No array mutation allowed.");
+					}
+				}
+			}
+		}
+  },
 	configs: {
 		recommended: {
 	    	rules: {
 	        	'redux/no-let': 2,
 	        	'redux/no-this': 2,
-	        	'redux/no-mutation': 2
+	        	'redux/no-mutation': 2,
+	        	'redux/no-array-mutation': 2
 	      	}
 	    }
-	}    
+	}
 };