diff --git a/README.md b/README.md
index 945619b..62e5ffe 100644
--- a/README.md
+++ b/README.md
@@ -338,6 +338,9 @@ Even more queries can be found [here](https://colab.research.google.com/github/R
 
 # Latest updates
 
+## Version 2.0.5
+- Support for @ (primary keys) within arrays of objects and ? for allowing null in JSound compact schemas. It corresponds to unique, and a union with js:null, in the JSound verbose syntax.
+
 ## Version 2.0.4
 - Fixed an issue when running the library from a working directory that has spaces in the path.
 - Removed an overlooked debug output printing an internal DataFrame schema during evaluation of let clauses.
diff --git a/pyproject.toml b/pyproject.toml
index dbca594..6938dee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "jsoniq"
-version = "2.0.4"
+version = "2.0.5"
 description = "Python edition of RumbleDB, a JSONiq engine"
 requires-python = ">=3.11"
 dependencies = [
diff --git a/src/jsoniq/jars/rumbledb-2.0.0.jar b/src/jsoniq/jars/rumbledb-2.0.0.jar
index 0737493..13bec37 100644
Binary files a/src/jsoniq/jars/rumbledb-2.0.0.jar and b/src/jsoniq/jars/rumbledb-2.0.0.jar differ