diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebb05ea..21be263 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [0.2.5] - 2017-10-04
+### Fixed
+- parsing of nested, exists, raw, and column where clauses.
+
 ## [0.2.4] - 2017-10-03
 ### Added
 - .gitignore file to reduce download size for production environment.
diff --git a/src/CachedBuilder.php b/src/CachedBuilder.php
index 07a8e77..f01b59c 100644
--- a/src/CachedBuilder.php
+++ b/src/CachedBuilder.php
@@ -71,9 +71,27 @@ protected function getQueryColumns(array $columns) : string
         return '_' . implode('_', $columns);
     }
 
-    protected function getWhereClauses() : string
+    protected function getWhereClauses(array $wheres = []) : string
     {
-        return collect($this->query->wheres)->reduce(function ($carry, $where) {
+        $wheres = collect($wheres);
+
+        if ($wheres->isEmpty()) {
+            $wheres = collect($this->query->wheres);
+        }
+
+        return $wheres->reduce(function ($carry, $where) {
+            if (in_array($where['type'], ['Exists', 'Nested'])) {
+                return $this->getWhereClauses($where['query']->wheres);
+            }
+
+            if ($where['type'] === 'Column') {
+                return "_{$where['boolean']}_{$where['first']}_{$where['operator']}_{$where['second']}";
+            }
+
+            if ($where['type'] === 'raw') {
+                return "_{$where['boolean']}_" . str_slug($where['sql']);
+            }
+
             $value = array_get($where, 'value');
 
             if (in_array($where['type'], ['In', 'Null', 'NotNull'])) {
diff --git a/tests/Unit/CachedBuilderTest.php b/tests/Unit/CachedBuilderTest.php
index a3afd12..99a30ff 100644
--- a/tests/Unit/CachedBuilderTest.php
+++ b/tests/Unit/CachedBuilderTest.php
@@ -463,4 +463,28 @@ public function testLazyLoadingOnResourceIsCached()
         $this->assertEmpty($books->diffAssoc($cachedResults));
         $this->assertEmpty($liveResults->diffAssoc($cachedResults));
     }
+
+    public function testNestedRelationshipWhereClauseParsing()
+    {
+        // -> with('modelA.modelB')
+        $this->markTestIncomplete();
+    }
+
+    public function testExistsRelationshipWhereClauseParsing()
+    {
+        // ->whereHas(...)
+        $this->markTestIncomplete();
+    }
+
+    public function testColumnsRelationshipWhereClauseParsing()
+    {
+        // ???
+        $this->markTestIncomplete();
+    }
+
+    public function testRawWhereClauseParsing()
+    {
+        // ->whereRaw(...)
+        $this->markTestIncomplete();
+    }
 }