diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/pojo.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/pojo.mustache
index 7afa59bde04..5446eeba9a0 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/pojo.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/pojo.mustache
@@ -80,13 +80,22 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{/vendorExtensions.x-field-extra-annotation}}
   {{#vendorExtensions.x-is-jackson-optional-nullable}}
   {{#isContainer}}
+  {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   private JsonNullable<{{{datatypeWithEnum}}}> {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>undefined();
   {{/isContainer}}
   {{^isContainer}}
+  {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   private JsonNullable<{{{datatypeWithEnum}}}> {{name}} = JsonNullable.<{{{datatypeWithEnum}}}>{{#defaultValue}}of({{{.}}}){{/defaultValue}}{{^defaultValue}}undefined(){{/defaultValue}};
   {{/isContainer}}
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
   {{^vendorExtensions.x-is-jackson-optional-nullable}}
+  {{#deprecated}}
+  @Deprecated
+  {{/deprecated}}
   private {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
 
diff --git a/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/model/ObjectWithDeprecatedFields.java b/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/model/ObjectWithDeprecatedFields.java
index 6f1052d08bf..6bfc09aaf38 100644
--- a/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/model/ObjectWithDeprecatedFields.java
+++ b/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/model/ObjectWithDeprecatedFields.java
@@ -45,12 +45,15 @@ public class ObjectWithDeprecatedFields {
   private String uuid;
 
   public static final String JSON_PROPERTY_ID = "id";
+  @Deprecated
   private BigDecimal id;
 
   public static final String JSON_PROPERTY_DEPRECATED_REF = "deprecatedRef";
+  @Deprecated
   private DeprecatedObject deprecatedRef;
 
   public static final String JSON_PROPERTY_BARS = "bars";
+  @Deprecated
   private List<String> bars;
 
   public ObjectWithDeprecatedFields() {