diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8fc2a62..2389584e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## v1.0.9
+## v1.0.9 (2023/02/27)
 
 ### Fixed
 1. Fix: cannot porting `cutest_porting_cvfprintf`
diff --git a/include/cutest.h b/include/cutest.h
index 52ba9439..76948393 100644
--- a/include/cutest.h
+++ b/include/cutest.h
@@ -41,7 +41,7 @@ extern "C" {
 /**
  * @brief Development version.
  */
-#define CUTEST_VERSION_PREREL       1
+#define CUTEST_VERSION_PREREL       0
 
 /**
  * @brief Ensure the api is exposed as C function.