diff --git a/.github/workflows/build-publish.yml b/.github/workflows/build-publish.yml
index b2f4c1c..0d08bb6 100644
--- a/.github/workflows/build-publish.yml
+++ b/.github/workflows/build-publish.yml
@@ -54,7 +54,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.18'
+        go-version: '1.19'
 
     - id: 'auth'
       uses: 'google-github-actions/auth@v1'
diff --git a/shibuya/go.mod b/shibuya/go.mod
index 1158080..15fc966 100644
--- a/shibuya/go.mod
+++ b/shibuya/go.mod
@@ -1,6 +1,6 @@
 module github.com/rakutentech/shibuya/shibuya
 
-go 1.18
+go 1.19
 
 require (
 	cloud.google.com/go/storage v1.10.0