diff --git a/elsaticache_instance_data.go b/elsaticache_instance_data.go
index 272cad2..355cc72 100644
--- a/elsaticache_instance_data.go
+++ b/elsaticache_instance_data.go
@@ -41,8 +41,8 @@ type ElastiCacheInstance struct {
 	InstanceType                                   string                    `json:"instanceType"`
 	CurrentGeneration                              string                    `json:"currentGeneration"`
 	InstanceFamily                                 string                    `json:"instanceFamily"`
-	Vcpu                                           string                    `json:"vcpu"`
-	Memory                                         string                    `json:"memory"`
+	Vcpu                                           int32                     `json:"vcpu,string"`
+	Memory                                         float64                   `json:"memory,string"`
 	NetworkPerformance                             string                    `json:"networkPerformance"`
 	CacheEngine                                    string                    `json:"cacheEngine"`
 	RegionCode                                     string                    `json:"regionCode"`
diff --git a/opensearch_instance_data.go b/opensearch_instance_data.go
index 91a66b9..5fbb96e 100644
--- a/opensearch_instance_data.go
+++ b/opensearch_instance_data.go
@@ -28,8 +28,8 @@ type OpenSearchInstance struct {
 	InstanceType      string                             `json:"instanceType"`
 	CurrentGeneration string                             `json:"currentGeneration"`
 	InstanceFamily    string                             `json:"instanceFamily"`
-	Vcpu              string                             `json:"vcpu"`
-	MemoryGib         string                             `json:"memoryGib"`
+	Vcpu              int32                              `json:"vcpu,string"`
+	MemoryGib         float64                            `json:"memoryGib,string"`
 	RegionCode        string                             `json:"regionCode"`
 	Servicename       string                             `json:"servicename"`
 	Family            string                             `json:"family"`