diff --git a/example-jakarta-3/build.gradle b/example-jakarta-3/build.gradle
index 443761909..d88bfeab9 100644
--- a/example-jakarta-3/build.gradle
+++ b/example-jakarta-3/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "com.github.muehmar.openapischema" version "2.6.0"
+    id "com.github.muehmar.openapischema" version "2.6.1"
     id "com.diffplug.spotless"
     id 'openapischema.java'
 }
diff --git a/example/build.gradle b/example/build.gradle
index 691208880..096b66590 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "com.github.muehmar.openapischema" version "2.6.0"
+    id "com.github.muehmar.openapischema" version "2.6.1"
     id "com.diffplug.spotless"
     id 'openapischema.java'
     id 'java-test-fixtures'
@@ -250,7 +250,7 @@ openApiGenerator {
             inputSpec = "$projectDir/src/main/resources/openapi-oneof-enum-discriminator.yml"
             packageName = "com.github.muehmar.gradle.openapi.oneofenumdiscriminator"
         }
-        ['71', '182', '185', '190', '191', '192', '193', '195', '209', '234'].forEach {issueNumber -> {
+        ['71', '182', '185', '190', '191', '192', '193', '195', '209', '234', '238'].forEach {issueNumber -> {
             "${issueNumber}" {
                 inputSpec = "$projectDir/src/main/resources/issues/openapi-issue-${issueNumber}.yml"
                 packageName = "com.github.muehmar.gradle.openapi.issue${issueNumber}"
diff --git a/example/src/main/resources/issues/openapi-issue-238.yml b/example/src/main/resources/issues/openapi-issue-238.yml
new file mode 100644
index 000000000..74bd1cb56
--- /dev/null
+++ b/example/src/main/resources/issues/openapi-issue-238.yml
@@ -0,0 +1,48 @@
+openapi: "3.0.0"
+info: { }
+
+paths: { }
+
+components:
+  schemas:
+    User:
+      required:
+        - username
+      properties:
+        username:
+          type: string
+
+    Admin:
+      required:
+        - adminname
+      properties:
+        adminname:
+          type: string
+
+
+    UserOrAdminOptionalProps:
+      anyOf:
+        - $ref: '#/components/schemas/User'
+        - $ref: '#/components/schemas/Admin'
+      properties:
+        level:
+          type: integer
+
+
+    UserOrAdminRequiredProps:
+      anyOf:
+        - $ref: '#/components/schemas/User'
+        - $ref: '#/components/schemas/Admin'
+      required:
+        - level
+      properties:
+        level:
+          type: integer
+
+
+    UserOrAdminRequiredAdditionalProps:
+      anyOf:
+        - $ref: '#/components/schemas/User'
+        - $ref: '#/components/schemas/Admin'
+      required:
+        - level
diff --git a/example/src/test/java/com/github/muehmar/gradle/openapi/issue238/Issue238Test.java b/example/src/test/java/com/github/muehmar/gradle/openapi/issue238/Issue238Test.java
new file mode 100644
index 000000000..ebc7dab40
--- /dev/null
+++ b/example/src/test/java/com/github/muehmar/gradle/openapi/issue238/Issue238Test.java
@@ -0,0 +1,77 @@
+package com.github.muehmar.gradle.openapi.issue238;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.Optional;
+import org.junit.jupiter.api.Test;
+
+public class Issue238Test {
+  @Test
+  void fullBuilder_when_usedWithOptionalPropsAnyOf_then_canSetLevel() {
+    final UserOrAdminOptionalPropsDto dto =
+        UserOrAdminOptionalPropsDto.fullBuilder()
+            .setAdminDto(AdminDto.builder().setAdminname("adminname").build())
+            .setLevel(5)
+            .build();
+
+    assertEquals(Optional.of(5), dto.getLevelOpt());
+  }
+
+  @Test
+  void builder_when_usedWithOptionalPropsAnyOf_then_canSetLevel() {
+    final UserOrAdminOptionalPropsDto dto =
+        UserOrAdminOptionalPropsDto.builder()
+            .setAdminDto(AdminDto.builder().setAdminname("adminname").build())
+            .andAllOptionals()
+            .setLevel(5)
+            .build();
+
+    assertEquals(Optional.of(5), dto.getLevelOpt());
+  }
+
+  @Test
+  void fullBuilder_when_usedWithRequiredPropsAnyOf_then_canSetLevel() {
+    final UserOrAdminRequiredPropsDto dto =
+        UserOrAdminRequiredPropsDto.fullBuilder()
+            .setAdminDto(AdminDto.builder().setAdminname("adminname").build())
+            .setLevel(5)
+            .build();
+
+    assertEquals(5, dto.getLevel());
+  }
+
+  @Test
+  void builder_when_usedWithRequiredPropsAnyOf_then_canSetLevel() {
+    final UserOrAdminRequiredPropsDto dto =
+        UserOrAdminRequiredPropsDto.builder()
+            .setAdminDto(AdminDto.builder().setAdminname("adminname").build())
+            .setLevel(5)
+            .andAllOptionals()
+            .build();
+
+    assertEquals(5, dto.getLevel());
+  }
+
+  @Test
+  void fullBuilder_when_usedWithRequiredAdditionalPropsAnyOf_then_canSetLevel() {
+    final UserOrAdminRequiredAdditionalPropsDto dto =
+        UserOrAdminRequiredAdditionalPropsDto.fullBuilder()
+            .setAdminDto(AdminDto.builder().setAdminname("adminname").build())
+            .setLevel(5)
+            .build();
+
+    assertEquals(5, dto.getLevel());
+  }
+
+  @Test
+  void builder_when_usedWithRequiredAdditionalPropsAnyOf_then_canSetLevel() {
+    final UserOrAdminRequiredAdditionalPropsDto dto =
+        UserOrAdminRequiredAdditionalPropsDto.builder()
+            .setAdminDto(AdminDto.builder().setAdminname("adminname").build())
+            .setLevel(5)
+            .andAllOptionals()
+            .build();
+
+    assertEquals(5, dto.getLevel());
+  }
+}
diff --git a/spring-example/build.gradle b/spring-example/build.gradle
index fd8f5df9a..ad16dc5c4 100644
--- a/spring-example/build.gradle
+++ b/spring-example/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "com.github.muehmar.openapischema" version "2.6.0"
+    id "com.github.muehmar.openapischema" version "2.6.1"
     id "com.diffplug.spotless"
     id 'openapischema.java'
     id 'idea'