diff --git a/src/util/src/version.c b/src/util/src/version.c
index ea41b3ace885b9d81a55577f5b6c71081269cffa..1df445833756d5536c220f0aa1f1ff60154b4aef 100644
--- a/src/util/src/version.c
+++ b/src/util/src/version.c
@@ -1,7 +1,7 @@
-char version[64] = "1.6.5.9";
+char version[64] = "1.6.6.1";
 char compatible_version[64] = "1.6.0.0";
-char gitinfo[128] = "0b5b412ef0ae2449ece538601a29b899b2b727b9";
-char gitinfoOfInternal[128] = "8ae0d83a3610b9b4726373dd3073e4a8f444fb26";
-char buildinfo[512] = "Built by root at 2020-03-11 09:08";
+char gitinfo[128] = "a1304e54b705890ecb82eb7766610c421b38bd77";
+char gitinfoOfInternal[128] = "";
+char buildinfo[512] = "Built by root at 2020-07-08 09:41";
 
-void libtaos_1_6_6_1_Linux_x64_beta() {};
+void libtaos_edge_1_6_6_1_Linux_x64() {};