diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c42ee77e..ac835f301 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## v1.40.0 (Released 2024-06-14)
+## v1.40.1 (Released 2024-06-14)
 
 IMPROVEMENTS
 
diff --git a/version.go b/version.go
index 9d991dc21..d5b373a2f 100644
--- a/version.go
+++ b/version.go
@@ -18,4 +18,4 @@
 package ach
 
 // Version Number
-const Version = "v1.40.0"
+const Version = "v1.40.1"