diff --git a/src/version.h b/src/version.h
index d543425..0d735fa 100644
--- a/src/version.h
+++ b/src/version.h
@@ -24,11 +24,11 @@
 #define MC_VERSION_H_
 
 
-#define MC_VERSION 20211209
+#define MC_VERSION 20220112
 
 #define MC_DB_VERSION 20200820
 
-#define MC_VERSION_STRING "2.2.0"
+#define MC_VERSION_STRING "2.2.1"
 
 
 #endif