diff --git a/Dockerfile b/Dockerfile
index 31b898a..97f3926 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18.2-buster
+FROM golang:1.18.4-buster
 
 # hadolint ignore=DL3027
 RUN apt-get update \