diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f13852..97006d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased
+
+### Added
+- Support for measure aggregation types MEDIAN and STANDARD_DEVIATION_SAMPLE
+
+## 10.4.0 - 2025-12-05
 ### Added
 - New visual response of type text (TextResponse) 
 - New visual response of type url (UrlResponse)
diff --git a/src/cadenzaanalytics/data/measure_aggregation.py b/src/cadenzaanalytics/data/measure_aggregation.py
index a86f04b..c407682 100644
--- a/src/cadenzaanalytics/data/measure_aggregation.py
+++ b/src/cadenzaanalytics/data/measure_aggregation.py
@@ -2,8 +2,8 @@
 
 
 class MeasureAggregation(Enum):
-    """A class representing various aggregation functions for measures such as count, countDistinct,
-    sum, average, min and max.
+    """A class representing various aggregation functions for measures such as count, count distinct,
+    sum, average, min, max, median and sample standard deviation.
     """
     COUNT = "count"
     COUNT_DISTINCT = "countDistinct"
@@ -11,6 +11,8 @@ class MeasureAggregation(Enum):
     AVERAGE = "average"
     MIN = "min"
     MAX = "max"
+    MEDIAN = "median"
+    STANDARD_DEVIATION_SAMPLE = "stddevSamp"
 
     def __str__(self):
         return self.value