diff --git a/src/gpu/cl/kernels/ClActivationKernel.cpp b/src/gpu/cl/kernels/ClActivationKernel.cpp
index 13d55b3..2e4642c 100644
--- a/src/gpu/cl/kernels/ClActivationKernel.cpp
+++ b/src/gpu/cl/kernels/ClActivationKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021 Arm Limited.
+ * Copyright (c) 2016-2021, 2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -23,6 +23,7 @@
  */
 #include "src/gpu/cl/kernels/ClActivationKernel.h"
 
+#include "arm_compute/core/ActivationLayerInfo.h"
 #include "arm_compute/core/CL/CLHelpers.h"
 #include "arm_compute/core/CL/ICLTensor.h"
 #include "arm_compute/core/TensorInfo.h"