diff --git a/HISTORY.rst b/HISTORY.rst
index 08613e25..3b1fc534 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,6 +2,13 @@
 History
 ================================================================================
 
+6.8.4 (2024-06-22)
+--------------------------------------------------------------------------------
+
+* GH-740: optimize imports by @rain1024 in https://github.com/undertheseanlp/underthesea/pull/741
+* GH-616: remove issue-manager workflow by @rain1024 in https://github.com/undertheseanlp/underthesea/pull/726
+* GH-233: Add lang_detect module by @rain1024 in https://github.com/undertheseanlp/underthesea/pull/733
+
 6.8.0 (2023-09-23)
 --------------------------------------------------------------------------------
 
diff --git a/underthesea/VERSION b/underthesea/VERSION
index 8fc3e14c..ba62514d 100644
--- a/underthesea/VERSION
+++ b/underthesea/VERSION
@@ -1 +1 @@
-6.8.3
\ No newline at end of file
+6.8.4
\ No newline at end of file