diff --git a/samples/client/petstore/rust/hyper/petstore/src/models/order.rs b/samples/client/petstore/rust/hyper/petstore/src/models/order.rs
index 3e6a00aaeae2..66d211cb5799 100644
--- a/samples/client/petstore/rust/hyper/petstore/src/models/order.rs
+++ b/samples/client/petstore/rust/hyper/petstore/src/models/order.rs
@@ -54,3 +54,9 @@ pub enum Status {
     Delivered,
 }
 
+impl Default for Status {
+    fn default() -> Status {
+        Self::Placed
+    }
+}
+
diff --git a/samples/client/petstore/rust/hyper/petstore/src/models/pet.rs b/samples/client/petstore/rust/hyper/petstore/src/models/pet.rs
index 358961f2c718..af6c8b6ca5da 100644
--- a/samples/client/petstore/rust/hyper/petstore/src/models/pet.rs
+++ b/samples/client/petstore/rust/hyper/petstore/src/models/pet.rs
@@ -54,3 +54,9 @@ pub enum Status {
     Sold,
 }
 
+impl Default for Status {
+    fn default() -> Status {
+        Self::Available
+    }
+}
+
diff --git a/samples/client/petstore/rust/reqwest/petstore-async/src/models/order.rs b/samples/client/petstore/rust/reqwest/petstore-async/src/models/order.rs
index 3e6a00aaeae2..66d211cb5799 100644
--- a/samples/client/petstore/rust/reqwest/petstore-async/src/models/order.rs
+++ b/samples/client/petstore/rust/reqwest/petstore-async/src/models/order.rs
@@ -54,3 +54,9 @@ pub enum Status {
     Delivered,
 }
 
+impl Default for Status {
+    fn default() -> Status {
+        Self::Placed
+    }
+}
+
diff --git a/samples/client/petstore/rust/reqwest/petstore-async/src/models/pet.rs b/samples/client/petstore/rust/reqwest/petstore-async/src/models/pet.rs
index 358961f2c718..af6c8b6ca5da 100644
--- a/samples/client/petstore/rust/reqwest/petstore-async/src/models/pet.rs
+++ b/samples/client/petstore/rust/reqwest/petstore-async/src/models/pet.rs
@@ -54,3 +54,9 @@ pub enum Status {
     Sold,
 }
 
+impl Default for Status {
+    fn default() -> Status {
+        Self::Available
+    }
+}
+
diff --git a/samples/client/petstore/rust/reqwest/petstore/src/models/order.rs b/samples/client/petstore/rust/reqwest/petstore/src/models/order.rs
index 3e6a00aaeae2..66d211cb5799 100644
--- a/samples/client/petstore/rust/reqwest/petstore/src/models/order.rs
+++ b/samples/client/petstore/rust/reqwest/petstore/src/models/order.rs
@@ -54,3 +54,9 @@ pub enum Status {
     Delivered,
 }
 
+impl Default for Status {
+    fn default() -> Status {
+        Self::Placed
+    }
+}
+
diff --git a/samples/client/petstore/rust/reqwest/petstore/src/models/pet.rs b/samples/client/petstore/rust/reqwest/petstore/src/models/pet.rs
index 358961f2c718..af6c8b6ca5da 100644
--- a/samples/client/petstore/rust/reqwest/petstore/src/models/pet.rs
+++ b/samples/client/petstore/rust/reqwest/petstore/src/models/pet.rs
@@ -54,3 +54,9 @@ pub enum Status {
     Sold,
 }
 
+impl Default for Status {
+    fn default() -> Status {
+        Self::Available
+    }
+}
+