diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e71d29..99f5603 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 This project follows the versioning policy in VERSIONING.md.
 
+## 0.2.2 - 2026-01-09
+
+- **Protocol constants and welcome message limits**: Added new constants for hub
+   limits in welcome messages and updated message construction accordingly
+- Added `max_nick_bytes` configuration option to specify maximum nickname size in UTF-8 bytes
+- Updated CLI to allow overriding `max_nick_bytes` via command-line argument
+- Updated documentation to reflect new nickname size limit configuration
+- 
+
 ## 0.2.1 - 2026-01-08
 
 - **JOINED/PARTED room notifications**: Existing room members now receive real-time notifications when users join or leave
diff --git a/pyproject.toml b/pyproject.toml
index 501728d..ee58fa0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 ]
 dependencies = [
   "cbor2>=5.6.0",
-  "rns>=0.8.0",
+  "rns>=0.9.6",
   "tomlkit>=0.13.2",
 ]
 
@@ -34,8 +34,8 @@ Issues = "https://github.com/kc1awv/rrcd/issues"
 
 [project.optional-dependencies]
 dev = [
-  "pytest>=8.0.0",
-  "black>=24.0.0",
+  "pytest>=9.0.2",
+  "black>=25.12.0",
   "ruff>=0.6.0",
   "mypy>=1.0.0",
 ]
diff --git a/rrcd/__init__.py b/rrcd/__init__.py
index b6caf65..ee7eba4 100644
--- a/rrcd/__init__.py
+++ b/rrcd/__init__.py
@@ -1,3 +1,3 @@
 __all__ = ["__version__"]
 
-__version__ = "0.2.1"
+__version__ = "0.2.2"