diff --git a/Dockerfile b/Dockerfile
index 53dfdc55683865b7194ce7b7001e1cfd7df8c03a..027c49f55f9d1ff3faacbaba51e8fcf72ab52ed5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.20.1 as build
+FROM docker.io/library/golang:1.21.4 as build
 ADD . /src
 RUN cd /src && go build -tags netgo -o service-prober ./cmd/service-prober && strip service-prober