diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 6368720c47..4a4290b305 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -924,8 +924,8 @@ 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");
 
 
diff --git a/version.inc b/version.inc
index e402ccab55..b1fb495c6a 100644
--- a/version.inc
+++ b/version.inc
@@ -3,7 +3,7 @@
 
 set(SLIC3R_APP_NAME "PrusaSlicer")
 set(SLIC3R_APP_KEY "PrusaSlicer")
-set(SLIC3R_VERSION "2.7.2")
+set(SLIC3R_VERSION "2.7.3-alpha0")
 set(SLIC3R_BUILD_ID "PrusaSlicer-${SLIC3R_VERSION}+UNKNOWN")
-set(SLIC3R_RC_VERSION "2,7,2,0")
-set(SLIC3R_RC_VERSION_DOTS "2.7.2.0")
+set(SLIC3R_RC_VERSION "2,7,3,0")
+set(SLIC3R_RC_VERSION_DOTS "2.7.3.0")