diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa519ad9..717d1f9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,7 @@
 # CHANGELOG
+## [3.0.8](https://github.com/apigee/apigee-client-php/milestone/32?closed=1)
+* [#379] Update option-resolver's symfony component version to its latest.
+
 ## [3.0.7](https://github.com/apigee/apigee-client-php/milestone/31?closed=1)
 * [#374] Bump minimum required version of symfony/serializer.
 * [#376] Remove symfony/serializer conflict and bump version.
diff --git a/src/Api/ApigeeX/Denormalizer/AppGroupMembershipDenormalizer.php b/src/Api/ApigeeX/Denormalizer/AppGroupMembershipDenormalizer.php
index 357e2912..87ee3f81 100644
--- a/src/Api/ApigeeX/Denormalizer/AppGroupMembershipDenormalizer.php
+++ b/src/Api/ApigeeX/Denormalizer/AppGroupMembershipDenormalizer.php
@@ -61,4 +61,14 @@ public function supportsDenormalization($data, $type, $format = null)
 
         return AppGroupMembership::class === $type || $type instanceof AppGroupMembership;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            AppGroupMembership::class => true,
+        ];
+    }
 }
diff --git a/src/Api/Management/Query/StatsQueryNormalizer.php b/src/Api/Management/Query/StatsQueryNormalizer.php
index 532cbf57..0bff438a 100644
--- a/src/Api/Management/Query/StatsQueryNormalizer.php
+++ b/src/Api/Management/Query/StatsQueryNormalizer.php
@@ -96,4 +96,14 @@ public function supportsNormalization($data, $format = null)
     {
         return $data instanceof StatsQuery;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            StatsQuery::class => true,
+        ];
+    }
 }
diff --git a/src/ClientInterface.php b/src/ClientInterface.php
index 6ef44f15..b5078803 100644
--- a/src/ClientInterface.php
+++ b/src/ClientInterface.php
@@ -63,7 +63,7 @@ interface ClientInterface extends HttpClient
      */
     public const APIGEE_ON_GCP_ENDPOINT = 'https://apigee.googleapis.com/v1';
 
-    public const VERSION = '3.0.7';
+    public const VERSION = '3.0.8';
 
     /**
      * Allows access to the last request, response and exception.
diff --git a/src/Serializer/EntitySerializer.php b/src/Serializer/EntitySerializer.php
index 24e90e31..0bae115f 100755
--- a/src/Serializer/EntitySerializer.php
+++ b/src/Serializer/EntitySerializer.php
@@ -220,6 +220,16 @@ public function supportsEncoding($format): bool
         return $this->format === $format && $this->serializer->supportsEncoding($format);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            EntitySerializerInterface::class => true,
+        ];
+    }
+
     /**
      * Allows subclasses to replace the default JSON encoder.
      *