diff --git a/Dockerfile b/Dockerfile
index d8b953a..8b21558 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@
 #####################
 # STEP 1 build binary
 #####################
-FROM golang:1.17 as builder
+FROM golang:1.18 as builder
 
 ARG BINARY_VERSION