diff --git a/xapi-client/src/main/java/dev/learning/xapi/client/DeleteActivityProfileRequest.java b/xapi-client/src/main/java/dev/learning/xapi/client/DeleteActivityProfileRequest.java
index 16d128a9..ad4eda45 100644
--- a/xapi-client/src/main/java/dev/learning/xapi/client/DeleteActivityProfileRequest.java
+++ b/xapi-client/src/main/java/dev/learning/xapi/client/DeleteActivityProfileRequest.java
@@ -24,4 +24,14 @@ public HttpMethod getMethod() {
     return HttpMethod.DELETE;
   }
 
+  /**
+   * Builder for DeleteActivityProfileRequest.
+   */
+  public abstract static class Builder<C extends DeleteActivityProfileRequest,
+      B extends Builder<C, B>> extends ActivityProfileRequest.Builder<C, B> {
+
+    // This static class extends the lombok builder.
+
+  }
+
 }
diff --git a/xapi-client/src/main/java/dev/learning/xapi/client/GetActivityProfileRequest.java b/xapi-client/src/main/java/dev/learning/xapi/client/GetActivityProfileRequest.java
index 42b40647..052d7757 100644
--- a/xapi-client/src/main/java/dev/learning/xapi/client/GetActivityProfileRequest.java
+++ b/xapi-client/src/main/java/dev/learning/xapi/client/GetActivityProfileRequest.java
@@ -24,4 +24,14 @@ public HttpMethod getMethod() {
     return HttpMethod.GET;
   }
 
+  /**
+   * Builder for GetActivityProfileRequest.
+   */
+  public abstract static class Builder<C extends GetActivityProfileRequest, B extends Builder<C, B>>
+      extends ActivityProfileRequest.Builder<C, B> {
+
+    // This static class extends the lombok builder.
+
+  }
+
 }
diff --git a/xapi-client/src/main/java/dev/learning/xapi/client/PostActivityProfileRequest.java b/xapi-client/src/main/java/dev/learning/xapi/client/PostActivityProfileRequest.java
index cc1fb506..820f2c22 100644
--- a/xapi-client/src/main/java/dev/learning/xapi/client/PostActivityProfileRequest.java
+++ b/xapi-client/src/main/java/dev/learning/xapi/client/PostActivityProfileRequest.java
@@ -38,4 +38,15 @@ public HttpMethod getMethod() {
     return HttpMethod.POST;
   }
 
+  /**
+   * Builder for PostActivityProfileRequest.
+   */
+  public abstract static class Builder<C extends PostActivityProfileRequest,
+      B extends Builder<C, B>> extends ActivityProfileRequest.Builder<C, B> {
+
+    // This static class extends the lombok builder.
+
+  }
+
+
 }
diff --git a/xapi-client/src/main/java/dev/learning/xapi/client/PutActivityProfileRequest.java b/xapi-client/src/main/java/dev/learning/xapi/client/PutActivityProfileRequest.java
index f0c9740e..f71ac1fb 100644
--- a/xapi-client/src/main/java/dev/learning/xapi/client/PutActivityProfileRequest.java
+++ b/xapi-client/src/main/java/dev/learning/xapi/client/PutActivityProfileRequest.java
@@ -38,4 +38,14 @@ public HttpMethod getMethod() {
     return HttpMethod.PUT;
   }
 
+  /**
+   * Builder for PutActivityProfileRequest.
+   */
+  public abstract static class Builder<C extends PutActivityProfileRequest, B extends Builder<C, B>>
+      extends ActivityProfileRequest.Builder<C, B> {
+
+    // This static class extends the lombok builder.
+
+  }
+
 }