diff --git a/CHANGELOG.md b/CHANGELOG.md
index ceeef9739..5b3692380 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@
   - **Feature:** 
       - Improved nil-safety
       - subscription products contain the plan id
+- `mongodbflex`: [1.0.0](services/mongodbflex/CHANGELOG.md#v100-2025-05-02)
+  - **Breaking Change:** Introduce typed enum constants for status attributes
 
 ## Release (2025-04-30)
 - `core`: [v0.17.1](core/CHANGELOG.md#v0171-2025-04-09)
diff --git a/services/mongodbflex/CHANGELOG.md b/services/mongodbflex/CHANGELOG.md
index 8ae7f5704..50adafe99 100644
--- a/services/mongodbflex/CHANGELOG.md
+++ b/services/mongodbflex/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v1.0.0 (2025-05-02)
+- **Breaking Change:** Introduce typed enum constants for status attributes
+
 ## v0.18.2 (2025-04-29)
 - **Bugfix:** Correctly handle empty payload in body
 
diff --git a/services/mongodbflex/model_instance.go b/services/mongodbflex/model_instance.go
index 781d608d2..d0fde3510 100644
--- a/services/mongodbflex/model_instance.go
+++ b/services/mongodbflex/model_instance.go
@@ -164,8 +164,10 @@ func setInstanceGetReplicasAttributeType(arg *InstanceGetReplicasAttributeType,
 	types and functions for status
 */
 
-// isNotNullableString
+// isEnumRef
 type InstanceGetStatusAttributeType = *string
+type InstanceGetStatusArgType = string
+type InstanceGetStatusRetType = string
 
 func getInstanceGetStatusAttributeTypeOk(arg InstanceGetStatusAttributeType) (ret InstanceGetStatusRetType, ok bool) {
 	if arg == nil {
@@ -178,9 +180,6 @@ func setInstanceGetStatusAttributeType(arg *InstanceGetStatusAttributeType, val
 	*arg = &val
 }
 
-type InstanceGetStatusArgType = string
-type InstanceGetStatusRetType = string
-
 /*
 	types and functions for storage
 */
@@ -231,9 +230,10 @@ type Instance struct {
 	Name           InstanceGetNameAttributeType           `json:"name,omitempty"`
 	Options        InstanceGetOptionsAttributeType        `json:"options,omitempty"`
 	Replicas       InstanceGetReplicasAttributeType       `json:"replicas,omitempty"`
-	Status         InstanceGetStatusAttributeType         `json:"status,omitempty"`
-	Storage        InstanceGetStorageAttributeType        `json:"storage,omitempty"`
-	Version        InstanceGetVersionAttributeType        `json:"version,omitempty"`
+	// The current status of the instance.
+	Status  InstanceGetStatusAttributeType  `json:"status,omitempty"`
+	Storage InstanceGetStorageAttributeType `json:"storage,omitempty"`
+	Version InstanceGetVersionAttributeType `json:"version,omitempty"`
 }
 
 // NewInstance instantiates a new Instance object
diff --git a/services/mongodbflex/model_instance_list_instance.go b/services/mongodbflex/model_instance_list_instance.go
index 79ac137ab..ad9d78eae 100644
--- a/services/mongodbflex/model_instance_list_instance.go
+++ b/services/mongodbflex/model_instance_list_instance.go
@@ -63,8 +63,10 @@ type InstanceListInstanceGetNameRetType = string
 	types and functions for status
 */
 
-// isNotNullableString
+// isEnumRef
 type InstanceListInstanceGetStatusAttributeType = *string
+type InstanceListInstanceGetStatusArgType = string
+type InstanceListInstanceGetStatusRetType = string
 
 func getInstanceListInstanceGetStatusAttributeTypeOk(arg InstanceListInstanceGetStatusAttributeType) (ret InstanceListInstanceGetStatusRetType, ok bool) {
 	if arg == nil {
@@ -77,13 +79,11 @@ func setInstanceListInstanceGetStatusAttributeType(arg *InstanceListInstanceGetS
 	*arg = &val
 }
 
-type InstanceListInstanceGetStatusArgType = string
-type InstanceListInstanceGetStatusRetType = string
-
 // InstanceListInstance struct for InstanceListInstance
 type InstanceListInstance struct {
-	Id     InstanceListInstanceGetIdAttributeType     `json:"id,omitempty"`
-	Name   InstanceListInstanceGetNameAttributeType   `json:"name,omitempty"`
+	Id   InstanceListInstanceGetIdAttributeType   `json:"id,omitempty"`
+	Name InstanceListInstanceGetNameAttributeType `json:"name,omitempty"`
+	// The current status of the instance.
 	Status InstanceListInstanceGetStatusAttributeType `json:"status,omitempty"`
 }