diff --git a/HISTORY.md b/HISTORY.md
index bf22540..5b05e03 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,10 @@
 # Official releases
 
+## v0.1.9 (2024-06-06)
+
+- Add initial support for a `likelihoods` JSON entry (_via_ the `DataLikelihoodList` template class). The current use-case is to reference an `ImagingDataLikelihood` that holds the likelihood mask information (stored in a FITS file).
+- Various bug fixes.
+
 ## v0.1.8 (2024-04-17)
 
 - Minor improvements to PyPI release
diff --git a/coolest/__init__.py b/coolest/__init__.py
index c8d485c..aeb344b 100644
--- a/coolest/__init__.py
+++ b/coolest/__init__.py
@@ -6,7 +6,7 @@
 """
 
 # Set the package release version
-version_info = (0, 1, 8)
+version_info = (0, 1, 9)
 __version__ = '.'.join(str(c) for c in version_info)
 
 # Set the package details