diff --git a/include/oneapi/tbb/task_group.h b/include/oneapi/tbb/task_group.h
index ef43dfceb3..bd1630ba98 100644
--- a/include/oneapi/tbb/task_group.h
+++ b/include/oneapi/tbb/task_group.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (c) 2005-2023 Intel Corporation
+    Copyright (c) 2005-2024 Intel Corporation
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -614,7 +614,7 @@ class spawn_delegate : public delegate_base {
     {}
 };
 
-class wait_delegate : public delegate_base {
+class wait_delegate : public d1::delegate_base {
     bool operator()() const override {
         status = tg.wait();
         return true;
diff --git a/src/tbb/def/lin32-tbb.def b/src/tbb/def/lin32-tbb.def
index e909014f09..c9582a73d2 100644
--- a/src/tbb/def/lin32-tbb.def
+++ b/src/tbb/def/lin32-tbb.def
@@ -1,5 +1,5 @@
 /*
-    Copyright (c) 2005-2021 Intel Corporation
+    Copyright (c) 2005-2024 Intel Corporation
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/src/tbb/def/lin64-tbb.def b/src/tbb/def/lin64-tbb.def
index aef78ea115..003350b1b7 100644
--- a/src/tbb/def/lin64-tbb.def
+++ b/src/tbb/def/lin64-tbb.def
@@ -1,5 +1,5 @@
 /*
-    Copyright (c) 2005-2021 Intel Corporation
+    Copyright (c) 2005-2024 Intel Corporation
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/src/tbb/def/mac64-tbb.def b/src/tbb/def/mac64-tbb.def
index d103bdd434..f8d7ed6bb6 100644
--- a/src/tbb/def/mac64-tbb.def
+++ b/src/tbb/def/mac64-tbb.def
@@ -1,4 +1,4 @@
-# Copyright (c) 2005-2021 Intel Corporation
+# Copyright (c) 2005-2024 Intel Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/src/tbb/def/win32-tbb.def b/src/tbb/def/win32-tbb.def
index 3036d2a67b..c7c09e62f4 100644
--- a/src/tbb/def/win32-tbb.def
+++ b/src/tbb/def/win32-tbb.def
@@ -1,4 +1,4 @@
-; Copyright (c) 2005-2021 Intel Corporation
+; Copyright (c) 2005-2024 Intel Corporation
 ;
 ; Licensed under the Apache License, Version 2.0 (the "License");
 ; you may not use this file except in compliance with the License.
diff --git a/src/tbb/def/win64-tbb.def b/src/tbb/def/win64-tbb.def
index 458831276b..0fb46c2933 100644
--- a/src/tbb/def/win64-tbb.def
+++ b/src/tbb/def/win64-tbb.def
@@ -1,4 +1,4 @@
-; Copyright (c) 2005-2021 Intel Corporation
+; Copyright (c) 2005-2024 Intel Corporation
 ;
 ; Licensed under the Apache License, Version 2.0 (the "License");
 ; you may not use this file except in compliance with the License.
diff --git a/src/tbb/scheduler_common.h b/src/tbb/scheduler_common.h
index 6d1171bf52..1822b2612c 100644
--- a/src/tbb/scheduler_common.h
+++ b/src/tbb/scheduler_common.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (c) 2005-2023 Intel Corporation
+    Copyright (c) 2005-2024 Intel Corporation
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/src/tbb/task.cpp b/src/tbb/task.cpp
index e1859dcfe1..f0b884038b 100644
--- a/src/tbb/task.cpp
+++ b/src/tbb/task.cpp
@@ -1,5 +1,5 @@
 /*
-    Copyright (c) 2005-2023 Intel Corporation
+    Copyright (c) 2005-2024 Intel Corporation
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.