diff --git a/modules/openapi-generator/src/main/resources/JavaSpring/pojo.mustache b/modules/openapi-generator/src/main/resources/JavaSpring/pojo.mustache
index 47b1fd30dae0..b04c20104790 100644
--- a/modules/openapi-generator/src/main/resources/JavaSpring/pojo.mustache
+++ b/modules/openapi-generator/src/main/resources/JavaSpring/pojo.mustache
@@ -154,6 +154,9 @@ public {{>sealed}}class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}
   {{^lombok.Data}}
 
   {{! begin feature: fluent setter methods }}
+  {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   public {{classname}} {{name}}({{#useJspecify}}{{#lambda.jSpecifyNullable}}{{^required}}{{^useOptional}}@Nullable {{/useOptional}}{{#useOptional}}{{#optionalAcceptNullable}}@Nullable {{/optionalAcceptNullable}}{{/useOptional}}{{/required}}{{/lambda.jSpecifyNullable}}{{#lambda.jSpecifyDatatype}}{{{datatypeWithEnum}}}{{/lambda.jSpecifyDatatype}}{{/useJspecify}}{{^useJspecify}}{{>nullableAnnotation_default}}{{{datatypeWithEnum}}}{{/useJspecify}} {{name}}) {
     {{#openApiNullable}}
     this.{{name}} = {{#isNullable}}JsonNullable.of({{/isNullable}}{{#useOptional}}{{^required}}{{^isNullable}}{{^isContainer}}Optional.of{{#optionalAcceptNullable}}Nullable{{/optionalAcceptNullable}}({{/isContainer}}{{/isNullable}}{{/required}}{{/useOptional}}{{name}}{{#isNullable}}){{/isNullable}}{{#useOptional}}{{^required}}{{^isNullable}}{{^isContainer}}){{/isContainer}}{{/isNullable}}{{/required}}{{/useOptional}};
@@ -165,6 +168,9 @@ public {{>sealed}}class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}
   }
   {{#isArray}}
 
+  {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   public {{classname}} add{{nameInPascalCase}}Item({{{items.datatypeWithEnum}}} {{name}}Item) {
     {{#openApiNullable}}
     if (this.{{name}} == null{{#isNullable}} || !this.{{name}}.isPresent(){{/isNullable}}) {
@@ -183,6 +189,9 @@ public {{>sealed}}class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}
   {{/isArray}}
   {{#isMap}}
 
+  {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   public {{classname}} put{{nameInPascalCase}}Item(String key, {{{items.datatypeWithEnum}}} {{name}}Item) {
     {{#openApiNullable}}
     if (this.{{name}} == null{{#isNullable}} || !this.{{name}}.isPresent(){{/isNullable}}) {
@@ -270,19 +279,26 @@ public {{>sealed}}class {{classname}}{{#parent}} extends {{{parent}}}{{/parent}}
 
   {{^lombok.Setter}}
   {{! begin feature: fluent setter methods for inherited properties }}
+  {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   public {{classname}} {{name}}({{{datatypeWithEnum}}} {{name}}) {
     super.{{name}}({{name}});
     return this;
   }
   {{#isArray}}
-
+ {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   public {{classname}} add{{nameInPascalCase}}Item({{{items.datatypeWithEnum}}} {{name}}Item) {
     super.add{{nameInPascalCase}}Item({{name}}Item);
     return this;
   }
   {{/isArray}}
   {{#isMap}}
-
+ {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   public {{classname}} put{{nameInPascalCase}}Item(String key, {{{items.datatypeWithEnum}}} {{name}}Item) {
     super.put{{nameInPascalCase}}Item(key, {{name}}Item);
     return this;
diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java
index e5c1ad926aa6..027eeacb3588 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java
@@ -5833,6 +5833,24 @@ public void shouldGenerateSingleDeprecatedAnnotation() {
                 .assertMethod("build")
                 .doesNotHaveAnnotation("Deprecated");
     }
+    /**
+     * Regression test for <a href="https://github.com/OpenAPITools/openapi-generator/issues/24704">#24704</a>
+     */
+    @Test
+    public void shouldGenerateDeprecatedAnnotationOnFluentSetter() {
+        final var tempDir = TestUtils.newTempFolder();
+        final CodegenConfigurator configurator = new CodegenConfigurator()
+                .addAdditionalProperty(GENERATE_BUILDERS, true)
+                .addGlobalProperty(CodegenConstants.MODELS, "Pet")
+                .setInputSpec("src/test/resources/3_0/petstore.yaml")
+                .setGeneratorName("spring")
+                .setOutputDir(tempDir.toString());
+
+        new DefaultGenerator().opts(configurator.toClientOptInput()).generate();
+
+        JavaFileAssert.assertThat(tempDir.resolve("src/main/java/org/openapitools/model/Pet.java"))
+                .assertMethod("status", "StatusEnum").hasAnnotation("Deprecated");
+    }
 
     @Test
     public void shouldAnnotateNonRequiredFieldsAsNullable() throws IOException {
diff --git a/samples/client/petstore/spring-cloud-deprecated/src/main/java/org/openapitools/model/Pet.java b/samples/client/petstore/spring-cloud-deprecated/src/main/java/org/openapitools/model/Pet.java
index 53b64044c6e3..06afff132f2e 100644
--- a/samples/client/petstore/spring-cloud-deprecated/src/main/java/org/openapitools/model/Pet.java
+++ b/samples/client/petstore/spring-cloud-deprecated/src/main/java/org/openapitools/model/Pet.java
@@ -161,11 +161,13 @@ public void setName(JsonNullable<String> name) {
     this.name = name;
   }
 
+  @Deprecated
   public Pet photoUrls(List<String> photoUrls) {
     this.photoUrls = photoUrls;
     return this;
   }
 
+  @Deprecated
   public Pet addPhotoUrlsItem(String photoUrlsItem) {
     if (this.photoUrls == null) {
       this.photoUrls = new ArrayList<>();