diff --git a/src/include/pegasus/version.h b/src/include/pegasus/version.h
index 1fff093da1..af92d49596 100644
--- a/src/include/pegasus/version.h
+++ b/src/include/pegasus/version.h
@@ -3,4 +3,4 @@
 // can be found in the LICENSE file in the root directory of this source tree.
 
 #pragma once
-#define PEGASUS_VERSION "1.12.2"
+#define PEGASUS_VERSION "1.12.3-RC1"