diff --git a/include/pocketpy/common.h b/include/pocketpy/common.h
index bb9971b0..c514b230 100644
--- a/include/pocketpy/common.h
+++ b/include/pocketpy/common.h
@@ -22,7 +22,7 @@
 #include <random>
 #include <bitset>
 
-#define PK_VERSION				"1.2.2"
+#define PK_VERSION				"1.2.3"
 
 #include "config.h"
 #include "export.h"