diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ea49e40a5..d31552f94 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -22,6 +22,22 @@ individual files.
 
 The changes are now listed with the most recent at the top.
 
+**September 10 2024:: MARBL_column. Tag 11.8.0**
+
+- Interface for MARBL_column for DART: 
+
+   - state estimation
+   - state and parameter estimation
+   - parameter estimation only
+
+- BATS observation converter, and BATS climatology scripting
+
+*contributed by Robin Armstrong*
+
+Bugfix:
+
+- fix for IO for NetCDF files when only some variables have the unlimited dimension  
+
 **August 29 2024 :: Bug fixes for shortest_time_between_assimilations and get_close_init. Tag 11.7.1**
 
 Bug fixes:
diff --git a/conf.py b/conf.py
index 7d4d9a8f4..833c43425 100644
--- a/conf.py
+++ b/conf.py
@@ -21,7 +21,7 @@
 author = 'Data Assimilation Research Section'
 
 # The full version, including alpha/beta/rc tags
-release = '11.7.1'
+release = '11.8.0'
 root_doc = 'index'
 
 # -- General configuration ---------------------------------------------------