diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index a61a0a7de..dedfbdc72 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -868,8 +868,8 @@ static boost::optional<Semver> parse_semver_from_ini(std::string path)
 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 "-alpha");
+//    SetAppName(SLIC3R_APP_KEY);
+	SetAppName(SLIC3R_APP_KEY "-alpha");
 //  SetAppName(SLIC3R_APP_KEY "-beta");
 
 //	SetAppDisplayName(SLIC3R_APP_NAME);
diff --git a/version.inc b/version.inc
index ce2c37eb5..28de499e0 100644
--- a/version.inc
+++ b/version.inc
@@ -3,7 +3,7 @@
 
 set(SLIC3R_APP_NAME "PrusaSlicer")
 set(SLIC3R_APP_KEY "PrusaSlicer")
-set(SLIC3R_VERSION "2.4.2")
+set(SLIC3R_VERSION "2.5.0-alpha1")
 set(SLIC3R_BUILD_ID "PrusaSlicer-${SLIC3R_VERSION}+UNKNOWN")
-set(SLIC3R_RC_VERSION "2,4,2,0")
-set(SLIC3R_RC_VERSION_DOTS "2.4.2.0")
+set(SLIC3R_RC_VERSION "2,5,0,0")
+set(SLIC3R_RC_VERSION_DOTS "2.5.0.0")