diff --git a/CHANGELOG.md b/CHANGELOG.md
index 899d4b1..a4699b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 Changelog
 =========
 
+v0.3.4 (2023-09-28)
+-------------------
+* Make `BBox` class `Serializable`
+
 v0.3.3 (2023-09-28)
 -------------------
 * Update `BBox` class
diff --git a/VERSION b/VERSION
index 87a0871..448a0fa 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.3.3
\ No newline at end of file
+0.3.4
\ No newline at end of file