diff --git a/schemas/2019-06-01-preview/Microsoft.Synapse.json b/schemas/2019-06-01-preview/Microsoft.Synapse.json
index e61eb57fd3..795ce09012 100644
--- a/schemas/2019-06-01-preview/Microsoft.Synapse.json
+++ b/schemas/2019-06-01-preview/Microsoft.Synapse.json
@@ -1614,6 +1614,20 @@
           "format": "date-time",
           "description": "The time when the Big Data pool was created."
         },
+        "customLibraries": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/LibraryResourceProperties"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "List of custom libraries/packages associated with the spark pool."
+        },
         "defaultSparkLogFolder": {
           "type": "string",
           "description": "The default folder where Spark logs will be written."
@@ -2793,6 +2807,11 @@
       },
       "description": "Library requirements for a Big Data pool powered by Apache Spark"
     },
+    "LibraryResourceProperties": {
+      "type": "object",
+      "properties": {},
+      "description": "Library/package properties"
+    },
     "LicensedComponentSetupTypeProperties": {
       "type": "object",
       "properties": {
@@ -5279,4 +5298,4 @@
       "description": "Microsoft.Synapse/workspaces/vulnerabilityAssessments"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/schemas/2020-04-01-preview/Microsoft.Synapse.json b/schemas/2020-04-01-preview/Microsoft.Synapse.json
index ca0f96833e..44155674a0 100644
--- a/schemas/2020-04-01-preview/Microsoft.Synapse.json
+++ b/schemas/2020-04-01-preview/Microsoft.Synapse.json
@@ -179,4 +179,4 @@
       "description": "The sql pool's properties."
     }
   }
-}
\ No newline at end of file
+}
diff --git a/schemas/2020-12-01/Microsoft.Synapse.json b/schemas/2020-12-01/Microsoft.Synapse.json
index 6e8bc2b9c9..4af344654b 100644
--- a/schemas/2020-12-01/Microsoft.Synapse.json
+++ b/schemas/2020-12-01/Microsoft.Synapse.json
@@ -5451,4 +5451,4 @@
       "description": "Microsoft.Synapse/workspaces/vulnerabilityAssessments"
     }
   }
-}
\ No newline at end of file
+}