diff --git a/modules/openapi-generator/src/main/resources/rust-server/models.mustache b/modules/openapi-generator/src/main/resources/rust-server/models.mustache
index ab1814b7c6b6..4038fd17fd7a 100644
--- a/modules/openapi-generator/src/main/resources/rust-server/models.mustache
+++ b/modules/openapi-generator/src/main/resources/rust-server/models.mustache
@@ -18,7 +18,7 @@ use crate::header;
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]{{#xmlName}}
 #[serde(rename = "{{{.}}}")]{{/xmlName}}
 pub enum {{{classname}}} {
diff --git a/samples/server/petstore/rust-server/output/openapi-v3/src/models.rs b/samples/server/petstore/rust-server/output/openapi-v3/src/models.rs
index 043e71c56a1c..8078b1407e5d 100644
--- a/samples/server/petstore/rust-server/output/openapi-v3/src/models.rs
+++ b/samples/server/petstore/rust-server/output/openapi-v3/src/models.rs
@@ -1103,7 +1103,7 @@ impl AnyOfObject {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum AnyOfObjectAnyOf {
     #[serde(rename = "FOO")]
@@ -1615,7 +1615,7 @@ impl DuplicateXmlObject {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum EnumWithStarObject {
     #[serde(rename = "FOO")]
@@ -2161,7 +2161,7 @@ impl Model12345AnyOfObject {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum Model12345AnyOfObjectAnyOf {
     #[serde(rename = "FOO")]
@@ -4562,7 +4562,7 @@ impl Result {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum StringEnum {
     #[serde(rename = "FOO")]
diff --git a/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/src/models.rs b/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/src/models.rs
index ff6ade7e2b29..38da8cfdfd40 100644
--- a/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/src/models.rs
+++ b/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/src/models.rs
@@ -2935,7 +2935,7 @@ impl EnumArrays {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum EnumArraysArrayArrayEnumInnerInner {
     #[serde(rename = "Cat")]
@@ -3063,7 +3063,7 @@ impl EnumArraysArrayArrayEnumInnerInner {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum EnumArraysArrayEnumInner {
     #[serde(rename = "fish")]
@@ -3191,7 +3191,7 @@ impl EnumArraysArrayEnumInner {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum EnumArraysJustSymbol {
     #[serde(rename = ">=")]
@@ -3319,7 +3319,7 @@ impl EnumArraysJustSymbol {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum EnumClass {
     #[serde(rename = "_abc")]
@@ -3666,7 +3666,7 @@ impl EnumTest {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum EnumTestEnumInteger {
     #[serde(rename = "1")]
@@ -3794,7 +3794,7 @@ impl EnumTestEnumInteger {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum EnumTestEnumString {
     #[serde(rename = "UPPER")]
@@ -3926,7 +3926,7 @@ impl EnumTestEnumString {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum FindPetsByStatusStatusParameterInner {
     #[serde(rename = "available")]
@@ -5003,7 +5003,7 @@ impl MapTest {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum MapTestMapMapOfEnumValueValue {
     #[serde(rename = "UPPER")]
@@ -6494,7 +6494,7 @@ impl Order {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum OrderStatus {
     #[serde(rename = "placed")]
@@ -6983,7 +6983,7 @@ impl OuterComposite {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum OuterEnum {
     #[serde(rename = "placed")]
@@ -7630,7 +7630,7 @@ impl Pet {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum PetStatus {
     #[serde(rename = "available")]
@@ -8333,7 +8333,7 @@ impl Tag {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum TestEnumParametersEnumHeaderStringArrayParameterInner {
     #[serde(rename = ">")]
@@ -8461,7 +8461,7 @@ impl TestEnumParametersEnumHeaderStringArrayParameterInner {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum TestEnumParametersEnumHeaderStringParameter {
     #[serde(rename = "_abc")]
@@ -8593,7 +8593,7 @@ impl TestEnumParametersEnumHeaderStringParameter {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum TestEnumParametersEnumQueryDoubleParameter {
     #[serde(rename = "1.1")]
@@ -8721,7 +8721,7 @@ impl TestEnumParametersEnumQueryDoubleParameter {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum TestEnumParametersEnumQueryIntegerParameter {
     #[serde(rename = "1")]
@@ -8850,7 +8850,7 @@ impl TestEnumParametersEnumQueryIntegerParameter {
 /// which helps with FFI.
 #[allow(non_camel_case_types)]
 #[repr(C)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Serialize, serde::Deserialize, Hash)]
 #[cfg_attr(feature = "conversion", derive(frunk_enum_derive::LabelledGenericEnum))]
 pub enum TestEnumParametersRequestEnumFormString {
     #[serde(rename = "_abc")]