diff --git a/docs/source/content/06_Release_notes.rst b/docs/source/content/06_Release_notes.rst
index f4208c24..d7cb4c7b 100644
--- a/docs/source/content/06_Release_notes.rst
+++ b/docs/source/content/06_Release_notes.rst
@@ -5,7 +5,7 @@ Release Notes
 
 Version 1.4.0
 ------------------
-1.4.0 : 2024-09-06
+1.4.0 : 2024-09-05
 ~~~~~~~~~~~~~~~~~~~
 
 .. _SpaSEG: ../Tutorials(Multi-sample)/SpaSEG.html
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 0bfaaa76..17fca438 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -72,7 +72,7 @@ Latest Additions
 
 Version 1.4.0
 ~~~~~~~~~~~~~~~~~~~
-1.4.0 : 2024-09-06
+1.4.0 : 2024-09-05
 
 .. _SpaSEG: Tutorials(Multi-sample)/SpaSEG.html
 .. |SpaSEG| replace:: **SpaSEG**