diff --git a/Include/Acidanthera/Library/OcCpuLib.h b/Include/Acidanthera/Library/OcCpuLib.h
index ac78daa1..01370c26 100755
--- a/Include/Acidanthera/Library/OcCpuLib.h
+++ b/Include/Acidanthera/Library/OcCpuLib.h
@@ -54,6 +54,7 @@ typedef enum {
   OcCpuGenerationCannonLake,
   OcCpuGenerationIceLake,
   OcCpuGenerationTigerLake,
+  OcCpuGenerationAlderLake,
   OcCpuGenerationMaxGeneration
 } OC_CPU_GENERATION;
 
diff --git a/Library/OcCpuLib/OcCpuLib.c b/Library/OcCpuLib/OcCpuLib.c
index 40ae8fe4..7592541e 100755
--- a/Library/OcCpuLib/OcCpuLib.c
+++ b/Library/OcCpuLib/OcCpuLib.c
@@ -1362,6 +1362,9 @@ InternalDetectIntelProcessorGeneration (
       case CPU_MODEL_TIGERLAKE_U:
         CpuGeneration = OcCpuGenerationTigerLake;
         break;
+      case CPU_MODEL_ALDERLAKE_S:
+        CpuGeneration = OcCpuGenerationAlderLake;
+        break;    
       default:
         if (CpuInfo->Model < CPU_MODEL_PENRYN) {
           CpuGeneration = OcCpuGenerationPrePenryn;