diff --git a/flatbuffers/openmeteo_sdk.fbs b/flatbuffers/openmeteo_sdk.fbs
index 85b5aa8..c8a20bd 100644
--- a/flatbuffers/openmeteo_sdk.fbs
+++ b/flatbuffers/openmeteo_sdk.fbs
@@ -218,7 +218,8 @@ enum Aggregation: byte {
   median,
   p75,
   p90,
-  dominant
+  dominant,
+  sum
 }
 
 table Series {
diff --git a/python/openmeteo_sdk/Aggregation.py b/python/openmeteo_sdk/Aggregation.py
index 0029bb9..106e1a7 100644
--- a/python/openmeteo_sdk/Aggregation.py
+++ b/python/openmeteo_sdk/Aggregation.py
@@ -15,3 +15,4 @@ class Aggregation(Enum):
     p75 = 7
     p90 = 8
     dominant = 9
+    sum = 10
diff --git a/swift/Sources/OpenMeteoSdk/openmeteo_sdk_generated.swift b/swift/Sources/OpenMeteoSdk/openmeteo_sdk_generated.swift
index 52d34f8..b193388 100644
--- a/swift/Sources/OpenMeteoSdk/openmeteo_sdk_generated.swift
+++ b/swift/Sources/OpenMeteoSdk/openmeteo_sdk_generated.swift
@@ -239,8 +239,9 @@ public enum openmeteo_sdk_Aggregation: Int8, Enum, Verifiable {
   case p75 = 7
   case p90 = 8
   case dominant = 9
+  case sum = 10
 
-  public static var max: openmeteo_sdk_Aggregation { return .dominant }
+  public static var max: openmeteo_sdk_Aggregation { return .sum }
   public static var min: openmeteo_sdk_Aggregation { return .none_ }
 }
 
diff --git a/ts/aggregation.ts b/ts/aggregation.ts
index a378c8a..533660e 100644
--- a/ts/aggregation.ts
+++ b/ts/aggregation.ts
@@ -10,5 +10,6 @@ export enum Aggregation {
   median = 6,
   p75 = 7,
   p90 = 8,
-  dominant = 9
+  dominant = 9,
+  sum = 10
 }