diff --git a/README.md b/README.md
index 1fb148d4..fa41ca48 100644
--- a/README.md
+++ b/README.md
@@ -64,8 +64,10 @@ sudo cmake --build . --target install
 
 ### Change Log
 
-**1.0.0.alpha.4 (dev)**
+**1.0.0.beta.1**
 - support of OPN2 synthesis in a distinct plugin
+- fixed the plugin state which would be saved incomplete
+- fixed the extension of OPN2 bank files in the file chooser
 
 **1.0.0.alpha.3**
 
diff --git a/sources/plugin_version.h b/sources/plugin_version.h
index 49ab80c8..ef0b4010 100644
--- a/sources/plugin_version.h
+++ b/sources/plugin_version.h
@@ -7,5 +7,5 @@
 #include "AppConfig.h"
 
 #define ADLplug_Version JucePlugin_VersionString
-#define ADLplug_VersionExtra "Alpha 3"
-#define ADLplug_SemVer JucePlugin_VersionString "-alpha.3"
+#define ADLplug_VersionExtra "Beta 1"
+#define ADLplug_SemVer JucePlugin_VersionString "-beta.1"