diff --git a/CHANGELOG.md b/CHANGELOG.md
index 225313f..a81688b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [v1.4.0](https://github.com/Songmu/tagpr/compare/v1.3.0...v1.4.0) - 2024-08-11
+- fix typo by @mocyuto in https://github.com/Songmu/tagpr/pull/175
+- fix: Unstable search issue behavior by @snaka in https://github.com/Songmu/tagpr/pull/178
+
 ## [v1.3.0](https://github.com/Songmu/tagpr/compare/v1.2.0...v1.3.0) - 2024-05-15
 - fix: Typo in README by @tgeorg-ethz in https://github.com/Songmu/tagpr/pull/172
 - Add showGHError() by @fujiwara in https://github.com/Songmu/tagpr/pull/173
diff --git a/action.yml b/action.yml
index 452b109..539cf2b 100644
--- a/action.yml
+++ b/action.yml
@@ -5,7 +5,7 @@ inputs:
   version:
     description: "A version to install tagpr"
     required: false
-    default: "v1.3.0"
+    default: "v1.4.0"
 outputs:
   tag:
     description: "The semver tag, which is output only when the tagpr has tagged"
diff --git a/version.go b/version.go
index cfe6ab2..f4dd0b1 100644
--- a/version.go
+++ b/version.go
@@ -1,5 +1,5 @@
 package tagpr
 
-const version = "1.3.0"
+const version = "1.4.0"
 
 var revision = "HEAD"