diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index b3cdcc2..c783037 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 5
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-go@v4
+    - uses: actions/setup-go@v5
       with:
         go-version-file: '.go-version'
     - name: golangci-lint
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 6025e86..461714c 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -27,7 +27,7 @@ jobs:
         os: [ubuntu-latest, macOS-latest]
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-go@v4
+    - uses: actions/setup-go@v5
       with:
         go-version-file: '.go-version'
     - name: test
diff --git a/.go-version b/.go-version
index d2ab029..71f7f51 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.21
+1.22
diff --git a/Dockerfile b/Dockerfile
index 9bd69b4..21dbb13 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ARG OPENTOFU_VERSION=latest
 FROM hashicorp/terraform:$TERRAFORM_VERSION AS terraform
 FROM ghcr.io/opentofu/opentofu:$OPENTOFU_VERSION AS opentofu
 
-FROM golang:1.21-alpine3.18
+FROM golang:1.22-alpine3.19
 RUN apk --no-cache add make git bash
 COPY --from=terraform /bin/terraform /usr/local/bin/
 COPY --from=opentofu /usr/local/bin/tofu /usr/local/bin/
diff --git a/README.md b/README.md
index 835a56b..be70889 100644
--- a/README.md
+++ b/README.md
@@ -285,7 +285,7 @@ https://github.com/minamijoyo/tfmigrate/releases
 
 ### Source
 
-If you have Go 1.21+ development environment:
+If you have Go 1.22+ development environment:
 
 ```
 $ git clone https://github.com/minamijoyo/tfmigrate
diff --git a/go.mod b/go.mod
index bd87f76..b36ca3d 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/minamijoyo/tfmigrate
 
-go 1.21
+go 1.22
 
 require (
 	cloud.google.com/go/storage v1.25.0