diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78b885f..c9aa8b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# v0.15.6 - 08 May 2024
+- Fix variables in response header for queries with aggregates with alias
+
 # v0.15.5 - 07 May 2024
 - Fix variables included in projected variables for aggregates with alias
 
diff --git a/DeTrusty/__version__.py b/DeTrusty/__version__.py
index d89af2c..01bbf7f 100644
--- a/DeTrusty/__version__.py
+++ b/DeTrusty/__version__.py
@@ -1 +1 @@
-__version__ = '0.15.5'
+__version__ = '0.15.6'