diff --git a/benchmarker/Dockerfile b/benchmarker/Dockerfile
index c307c8258..134d24f95 100644
--- a/benchmarker/Dockerfile
+++ b/benchmarker/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21
+FROM golang:1.22
 
 RUN mkdir -p /opt/go
 COPY . /opt/go
diff --git a/provisioning/bench/ansible/02_golang.yml b/provisioning/bench/ansible/02_golang.yml
index c72c5188a..49edfcbba 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/go1.21.6.{{ uname_res.stdout }}-{{ arch_res.stdout }}.tar.gz"
+        src="https://golang.org/dl/go1.22.0.{{ 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 41be835b5..b2e4cce0f 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 1.21.6 /home/isucon/.local/go $(uname -s | tr [A-Z] [a-z]) $(dpkg --print-architecture)
+    - shell: /home/isucon/.xbuild/go-install 1.22.0 /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 7bb5da6d9..57cb6d106 100644
--- a/webapp/golang/Dockerfile
+++ b/webapp/golang/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21
+FROM golang:1.22
 
 RUN mkdir -p /home/webapp
 WORKDIR /home/webapp