diff --git a/android/phiola/build.gradle b/android/phiola/build.gradle
index c1eca9d..08b6a95 100644
--- a/android/phiola/build.gradle
+++ b/android/phiola/build.gradle
@@ -8,8 +8,8 @@ android {
 		applicationId "com.github.stsaz.phiola"
 		minSdkVersion 16
 		targetSdk 33
-		versionCode 20312
-		versionName '2.3.12'
+		versionCode 20400
+		versionName '2.4-beta0'
 	}
 
 	buildFeatures {
diff --git a/src/phiola.h b/src/phiola.h
index 75b0883..8186e49 100644
--- a/src/phiola.h
+++ b/src/phiola.h
@@ -6,13 +6,13 @@
 #include <ffbase/string.h>
 #include <ffbase/time.h>
 
-#define PHI_VERSION  20312
+#define PHI_VERSION  20400
 
 /** Inter-module compatibility version.
 It must be updated when incompatible changes are made to this file,
  then all modules must be rebuilt.
 The core will refuse to load modules built for any other core version. */
-#define PHI_VERSION_CORE  20307
+#define PHI_VERSION_CORE  20400
 
 typedef long long int64;
 typedef unsigned long long uint64;