diff --git a/go.mod b/go.mod
index 4a9fdfd1..6b71d047 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module gitlink.org.cn/jcce-pcm/pcm-coordinator
 
-go 1.19
+go 1.18
 
 require (
 	github.com/Masterminds/squirrel v1.5.4