diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index ecc5f46a7..b22cd6009 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -690,8 +690,8 @@ bool GUI_App::init_opengl()
 void GUI_App::init_app_config()
 {
 	// Profiles for the alpha are stored into the PrusaSlicer-alpha directory to not mix with the current release.
-    SetAppName(SLIC3R_APP_KEY);
-//	SetAppName(SLIC3R_APP_KEY "-beta");
+//    SetAppName(SLIC3R_APP_KEY);
+	SetAppName(SLIC3R_APP_KEY "-beta");
 //	SetAppDisplayName(SLIC3R_APP_NAME);
 
 	// Set the Slic3r data directory at the Slic3r XS module.
diff --git a/version.inc b/version.inc
index 1a848cd6f..4e7aab235 100644
--- a/version.inc
+++ b/version.inc
@@ -3,7 +3,7 @@
 
 set(SLIC3R_APP_NAME "PrusaSlicer")
 set(SLIC3R_APP_KEY "PrusaSlicer")
-set(SLIC3R_VERSION "2.3.0")
+set(SLIC3R_VERSION "2.4.0-alpha0")
 set(SLIC3R_BUILD_ID "PrusaSlicer-${SLIC3R_VERSION}+UNKNOWN")
-set(SLIC3R_RC_VERSION "2,3,0,0")
-set(SLIC3R_RC_VERSION_DOTS "2.3.0.0")
+set(SLIC3R_RC_VERSION "2,4,0,0")
+set(SLIC3R_RC_VERSION_DOTS "2.4.0.0")