diff --git a/.circleci/config.yml b/.circleci/config.yml
index c20c65f..b6c9b60 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 defaults: &defaults
   working_directory: /tmp/app
   docker:
-    - image: cimg/go:1.23.3
+    - image: cimg/go:1.23.4
 
 jobs:
   setup:
diff --git a/Containerfile b/Containerfile
index 0dfca5f..1a29c28 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-FROM docker.io/golang:1.23.3@sha256:73f06be4578c9987ce560087e2e2ea6485fb605e3910542cadd8fa09fc5f3e31 as builder
+FROM docker.io/golang:1.23.4@sha256:574185e5c6b9d09873f455a7c205ea0514bfd99738c5dc7750196403a44ed4b7 as builder
 WORKDIR /app
 
 COPY go.mod Makefile ./
@@ -8,7 +8,7 @@ RUN make build
 
 # ---
 
-FROM docker.io/golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5
+FROM docker.io/golang:1.23.4-bookworm@sha256:ef30001eeadd12890c7737c26f3be5b3a8479ccdcdc553b999c84879875a27ce
 WORKDIR /app
 
 RUN apt update && apt install -y --no-install-recommends iperf3 && rm -rf /var/lib/apt/lists
diff --git a/go.mod b/go.mod
index 04d689e..20edd97 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/markormesher/iperf-prometheus-collector
 
-go 1.23.3
+go 1.23.4