diff --git a/hiredis.h b/hiredis.h
index 14af8dace..3a5cd8963 100644
--- a/hiredis.h
+++ b/hiredis.h
@@ -48,7 +48,7 @@ typedef long long ssize_t;
 #define HIREDIS_MAJOR 1
 #define HIREDIS_MINOR 2
 #define HIREDIS_PATCH 0
-#define HIREDIS_SONAME 1.1.0
+#define HIREDIS_SONAME 1.2.1-dev
 
 /* Connection type can be blocking or non-blocking and is set in the
  * least significant bit of the flags field in redisContext. */