diff --git a/lib/events.go b/lib/events.go
index 207a90a..cb3440e 100644
--- a/lib/events.go
+++ b/lib/events.go
@@ -6,7 +6,7 @@ import (
 	"log"
 	"time"
 
-	"github.com/google/go-github/github"
+	"github.com/google/go-github/v56/github"
 )
 
 // Events represents a structure for fetching user-related events from the GitHub API.
diff --git a/lib/format.go b/lib/format.go
index fdd794b..ac7790a 100644
--- a/lib/format.go
+++ b/lib/format.go
@@ -9,7 +9,7 @@ import (
 	"strings"
 	"text/template"
 
-	"github.com/google/go-github/github"
+	"github.com/google/go-github/v56/github"
 )
 
 // Format is Formatter
diff --git a/lib/format_test.go b/lib/format_test.go
index 7b202e4..a2eef8c 100644
--- a/lib/format_test.go
+++ b/lib/format_test.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"testing"
 
-	"github.com/google/go-github/github"
+	"github.com/google/go-github/v56/github"
 	"github.com/masutaka/github-nippou/v4/lib"
 )
 
diff --git a/lib/list.go b/lib/list.go
index 87e38a4..2c5104c 100644
--- a/lib/list.go
+++ b/lib/list.go
@@ -5,7 +5,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/google/go-github/github"
+	"github.com/google/go-github/v56/github"
 )
 
 // List is a struct for collecting GitHub activities.
diff --git a/lib/settings.go b/lib/settings.go
index fdbf4d8..0f8ecd6 100644
--- a/lib/settings.go
+++ b/lib/settings.go
@@ -13,7 +13,7 @@ import (
 	// Import ./config/*
 	_ "github.com/masutaka/github-nippou/v4/statik"
 
-	"github.com/google/go-github/github"
+	"github.com/google/go-github/v56/github"
 	"github.com/rakyll/statik/fs"
 	"golang.org/x/oauth2"
 	"gopkg.in/yaml.v2"