diff --git a/HISTORY.rst b/HISTORY.rst
index 04614868..a83e3738 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -6,7 +6,7 @@ History
 .. to_doc
 
 ---------------------
-0.15.6.dev0
+0.15.6 (2024-01-15)
 ---------------------
 * Allow tus uploads to Galaxy.
   `Pull Request 351`_
diff --git a/pulsar/__init__.py b/pulsar/__init__.py
index 00423bd2..dd1b4028 100644
--- a/pulsar/__init__.py
+++ b/pulsar/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.15.6.dev0'
+__version__ = '0.15.6'
 
 PROJECT_NAME = "pulsar"
 PROJECT_OWNER = PROJECT_USERAME = "galaxyproject"