diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e73257f3..c1ddb638a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,9 +3,9 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased] - Development
 
-## [9.1.0.0]
-
-- Version bump
+## [9.1.0.1]
+### Changed
+- platformio compiler option `no target align` enabled for stage
 
 ## [Released]
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 4f0df15be..ba7b22c3e 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -57,5 +57,5 @@ The attached binaries can also be downloaded from http://ota.tasmota.com/tasmota
 
 [Complete list](BUILDS.md) of available feature and sensors.
 
-## Changelog v9.1.0.0
-- Version bump
+## Changelog v9.1.0.1
+- platformio compiler option `no target align` enabled for stage
diff --git a/tasmota/tasmota_version.h b/tasmota/tasmota_version.h
index 1b16064bc..37a103f23 100644
--- a/tasmota/tasmota_version.h
+++ b/tasmota/tasmota_version.h
@@ -20,7 +20,7 @@
 #ifndef _TASMOTA_VERSION_H_
 #define _TASMOTA_VERSION_H_
 
-const uint32_t VERSION = 0x09010000;
+const uint32_t VERSION = 0x09010001;
 
 // Lowest compatible version
 const uint32_t VERSION_COMPATIBLE = 0x07010006;