diff --git a/docs/changelog.md b/docs/changelog.md
index 70ed98a..bd62dba 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -2,6 +2,13 @@
 
 This project attempts to follow [Semantic Versioning](https://semver.org) and uses [Keep-a-Changelog formatting](https://keepachangelog.com/en/1.0.0/). But I make mistakes sometimes.
 
+## [3.3.4] - 2024-07-19
+
+### Fixed
+
+- **SegmentProperties**: Fixed a bug in building tags from dataframes.
+
+
 ## [3.3.3] - 2024-07-19
 
 ### Added
diff --git a/src/nglui/__init__.py b/src/nglui/__init__.py
index 8c44893..90c08e8 100644
--- a/src/nglui/__init__.py
+++ b/src/nglui/__init__.py
@@ -4,4 +4,4 @@
 from . import parser
 from . import segmentprops
 
-__version__ = "3.3.3"
+__version__ = "3.3.4"