diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-04-01-preview/bigDataPool.json b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-04-01-preview/bigDataPool.json
index 910244124267..75475cd0923f 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-04-01-preview/bigDataPool.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-04-01-preview/bigDataPool.json
@@ -481,7 +481,9 @@
         "nodeSizeFamily": {
           "enum": [
             "None",
-            "MemoryOptimized"
+            "MemoryOptimized",
+            "HardwareAcceleratedFPGA",
+            "HardwareAcceleratedGPU"
           ],
           "type": "string",
           "description": "The kind of nodes that the Big Data pool provides.",
diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2020-12-01/bigDataPool.json b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2020-12-01/bigDataPool.json
index fd2bf8e56cac..c62036c7ed34 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2020-12-01/bigDataPool.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2020-12-01/bigDataPool.json
@@ -481,7 +481,9 @@
         "nodeSizeFamily": {
           "enum": [
             "None",
-            "MemoryOptimized"
+            "MemoryOptimized",
+            "HardwareAcceleratedFPGA",
+            "HardwareAcceleratedGPU"
           ],
           "type": "string",
           "description": "The kind of nodes that the Big Data pool provides.",
diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-03-01/bigDataPool.json b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-03-01/bigDataPool.json
index 3016a1927fe4..c68c04f9f049 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-03-01/bigDataPool.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-03-01/bigDataPool.json
@@ -481,7 +481,9 @@
         "nodeSizeFamily": {
           "enum": [
             "None",
-            "MemoryOptimized"
+            "MemoryOptimized",
+            "HardwareAcceleratedFPGA",
+            "HardwareAcceleratedGPU"
           ],
           "type": "string",
           "description": "The kind of nodes that the Big Data pool provides.",