diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9248bf2..de03e4d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2.1
 jobs:
   test:
     docker:
-      - image: golang:1.21.4
+      - image: golang:1.23.3
     steps:
       - checkout
       - run:
diff --git a/Dockerfile b/Dockerfile
index e4b1f06..ecdf79d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.4 as builder
+FROM golang:1.23.3 as builder
 ARG VERSION
 COPY ./ /go/src/github.com/mikutas/grpc-go-helloworld/
 RUN cd /go/src/github.com/mikutas/grpc-go-helloworld/ \