diff --git a/src/Illuminate/Collections/Collection.php b/src/Illuminate/Collections/Collection.php
index aa12217dafb1..9e6092076cdb 100644
--- a/src/Illuminate/Collections/Collection.php
+++ b/src/Illuminate/Collections/Collection.php
@@ -1567,6 +1567,16 @@ public function transform(callable $callback)
         return $this;
     }
 
+    /**
+     * Flatten a multi-dimensional associative array with dots.
+     *
+     * @return static
+     */
+    public function dot()
+    {
+        return new static(Arr::dot($this->all()));
+    }
+
     /**
      * Convert a flatten "dot" notation array into an expanded array.
      *
diff --git a/src/Illuminate/Collections/LazyCollection.php b/src/Illuminate/Collections/LazyCollection.php
index 8119b3af230c..1b7830180df9 100644
--- a/src/Illuminate/Collections/LazyCollection.php
+++ b/src/Illuminate/Collections/LazyCollection.php
@@ -1518,6 +1518,16 @@ public function tapEach(callable $callback)
         });
     }
 
+    /**
+     * Flatten a multi-dimensional associative array with dots.
+     *
+     * @return static
+     */
+    public function dot()
+    {
+        return $this->passthru('dot', []);
+    }
+
     /**
      * Convert a flatten "dot" notation array into an expanded array.
      *