diff --git a/benchmarker/Dockerfile b/benchmarker/Dockerfile
index 3ff763765..70839bdbc 100644
--- a/benchmarker/Dockerfile
+++ b/benchmarker/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM --platform=$BUILDPLATFORM golang:1.22 AS build
+FROM --platform=$BUILDPLATFORM golang:1.23 AS build
 WORKDIR /src
 
 RUN --mount=type=cache,target=/go/pkg/mod/ \
diff --git a/provisioning/bench/ansible/02_golang.yml b/provisioning/bench/ansible/02_golang.yml
index 02a965234..8a98fb980 100644
--- a/provisioning/bench/ansible/02_golang.yml
+++ b/provisioning/bench/ansible/02_golang.yml
@@ -15,6 +15,6 @@
       check_mode: no
     - name: download go binary
       unarchive:
-        src="https://golang.org/dl/go1.22.6.{{ uname_res.stdout }}-{{ arch_res.stdout }}.tar.gz"
+        src="https://golang.org/dl/go1.23.0.{{ uname_res.stdout }}-{{ arch_res.stdout }}.tar.gz"
         dest=/usr/local/
         remote_src=yes
diff --git a/provisioning/image/ansible/04_xbuild.yml b/provisioning/image/ansible/04_xbuild.yml
index 4db15aec1..8fa03c8c4 100644
--- a/provisioning/image/ansible/04_xbuild.yml
+++ b/provisioning/image/ansible/04_xbuild.yml
@@ -22,7 +22,7 @@
         - nodejs
     # golang
     # datasource=golang-version depName=golang
-    - shell: /home/isucon/.xbuild/go-install 1.22.6 /home/isucon/.local/go $(uname -s | tr [A-Z] [a-z]) $(dpkg --print-architecture)
+    - shell: /home/isucon/.xbuild/go-install 1.23.0 /home/isucon/.local/go $(uname -s | tr [A-Z] [a-z]) $(dpkg --print-architecture)
       args:
         creates: /home/isucon/.local/go/bin/go
 
diff --git a/webapp/golang/Dockerfile b/webapp/golang/Dockerfile
index 398b8dd05..55defeb83 100644
--- a/webapp/golang/Dockerfile
+++ b/webapp/golang/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM --platform=$BUILDPLATFORM golang:1.22 AS build
+FROM --platform=$BUILDPLATFORM golang:1.23 AS build
 WORKDIR /src
 
 RUN --mount=type=cache,target=/go/pkg/mod/ \