diff --git a/go.mod b/go.mod
index 50768ebd..69a3e269 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.23.3
 require (
 	github.com/Masterminds/sprig/v3 v3.3.0
 	github.com/expr-lang/expr v1.16.9
-	github.com/google/go-github/v67 v67.0.0
+	github.com/google/go-github/v68 v68.0.0
 	github.com/mattn/go-colorable v0.1.13
 	github.com/shurcooL/githubv4 v0.0.0-20240429030203-be2daab69064
 	github.com/sirupsen/logrus v1.9.3
diff --git a/go.sum b/go.sum
index 5fc264c9..8957ee9f 100644
--- a/go.sum
+++ b/go.sum
@@ -18,8 +18,8 @@ github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7z
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/go-github/v67 v67.0.0 h1:g11NDAmfaBaCO8qYdI9fsmbaRipHNWRIU/2YGvlh4rg=
-github.com/google/go-github/v67 v67.0.0/go.mod h1:zH3K7BxjFndr9QSeFibx4lTKkYS3K9nDanoI1NjaOtY=
+github.com/google/go-github/v68 v68.0.0 h1:ZW57zeNZiXTdQ16qrDiZ0k6XucrxZ2CGmoTvcCyQG6s=
+github.com/google/go-github/v68 v68.0.0/go.mod h1:K9HAUBovM2sLwM408A18h+wd9vqdLOEqTUCbnRIcx68=
 github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
 github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
diff --git a/pkg/github/client.go b/pkg/github/client.go
index 8bf857bc..1019a26c 100644
--- a/pkg/github/client.go
+++ b/pkg/github/client.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/google/go-github/v67/github"
+	"github.com/google/go-github/v68/github"
 	"github.com/shurcooL/githubv4"
 	"golang.org/x/oauth2"
 )
diff --git a/pkg/github/comment.go b/pkg/github/comment.go
index 09ee149f..4a8242b8 100644
--- a/pkg/github/comment.go
+++ b/pkg/github/comment.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/google/go-github/v67/github"
+	"github.com/google/go-github/v68/github"
 	"github.com/sirupsen/logrus"
 )
 
@@ -38,14 +38,14 @@ type IssueComment struct {
 func (c *Client) sendIssueComment(ctx context.Context, cmt *Comment, body string) error {
 	if cmt.CommentID != 0 {
 		if _, _, err := c.issue.EditComment(ctx, cmt.Org, cmt.Repo, cmt.CommentID, &github.IssueComment{
-			Body: github.String(body),
+			Body: github.Ptr(body),
 		}); err != nil {
 			return fmt.Errorf("edit a issue or pull request comment by GitHub API: %w", err)
 		}
 		return nil
 	}
 	if _, _, err := c.issue.CreateComment(ctx, cmt.Org, cmt.Repo, cmt.PRNumber, &github.IssueComment{
-		Body: github.String(body),
+		Body: github.Ptr(body),
 	}); err != nil {
 		return fmt.Errorf("create a comment to issue or pull request by GitHub API: %w", err)
 	}
@@ -55,14 +55,14 @@ func (c *Client) sendIssueComment(ctx context.Context, cmt *Comment, body string
 func (c *Client) sendCommitComment(ctx context.Context, cmt *Comment, body string) error {
 	if cmt.CommentID != 0 {
 		if _, _, err := c.repo.UpdateComment(ctx, cmt.Org, cmt.Repo, cmt.CommentID, &github.RepositoryComment{
-			Body: github.String(body),
+			Body: github.Ptr(body),
 		}); err != nil {
 			return fmt.Errorf("update a commit comment by GitHub API: %w", err)
 		}
 		return nil
 	}
 	if _, _, err := c.repo.CreateComment(ctx, cmt.Org, cmt.Repo, cmt.SHA1, &github.RepositoryComment{
-		Body: github.String(body),
+		Body: github.Ptr(body),
 	}); err != nil {
 		return fmt.Errorf("create a commit comment by GitHub API: %w", err)
 	}
diff --git a/pkg/github/pr.go b/pkg/github/pr.go
index 8548543a..a96e67f4 100644
--- a/pkg/github/pr.go
+++ b/pkg/github/pr.go
@@ -5,7 +5,7 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/google/go-github/v67/github"
+	"github.com/google/go-github/v68/github"
 )
 
 func (c *Client) PRNumberWithSHA(ctx context.Context, owner, repo, sha string) (int, error) {