diff --git a/Dockerfile.build b/Dockerfile.build
index 352345c..f9921d9 100644
--- a/Dockerfile.build
+++ b/Dockerfile.build
@@ -1,4 +1,4 @@
-FROM golang:1.18.4-buster
+FROM golang:1.18.5-buster
 
 # hadolint ignore=DL3027
 RUN apt-get update \