diff --git a/Dockerfile b/Dockerfile
index cf2e01852c2..cbf275db4f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18.4-alpine@sha256:af22f4a8328063faee4b28da1b1bbccccb6f3ccaa0a07006f9d3aa2da43d18c2
+FROM golang:1.18.5-alpine@sha256:dda10a0c69473a595ab11ed3f8305bf4d38e0436b80e1462fb22c9d8a1c1e808
 
 RUN apk add --no-cache bash \
 	curl \