diff --git a/src/cmd/root.go b/src/cmd/root.go
index 53aab3c..ab88433 100644
--- a/src/cmd/root.go
+++ b/src/cmd/root.go
@@ -38,10 +38,9 @@ func rootCmd() *cmdBuilder.Cmd {
 		AddChildrenCmd(supportCmd()).
 		AddChildrenCmd(updateCmd()).
 		GuestRunFunc(func(ctx context.Context, cmdData *cmdBuilder.GuestCmdData) error {
-
 			homeDir, err := os.UserHomeDir()
 			if err != nil {
-				return fmt.Errorf("failed to get home directory: %v", err)
+				return fmt.Errorf("failed to get home directory: %w", err)
 			}
 
 			zcliPath := fmt.Sprintf("%s/.local/bin/zcli", homeDir)
@@ -49,7 +48,7 @@ func rootCmd() *cmdBuilder.Cmd {
 			cmd.Stdout = cmdData.Stdout.GetWriter()
 			cmd.Stdin = os.Stdin
 			if err := cmd.Run(); err != nil {
-				return fmt.Errorf("failed to execute 'zcli update': %v", err)
+				return fmt.Errorf("failed to execute 'zcli update': %w", err)
 			}
 
 			cmdData.Stdout.PrintLines(
diff --git a/src/cmd/update.go b/src/cmd/update.go
index 77ce1c5..18941a1 100644
--- a/src/cmd/update.go
+++ b/src/cmd/update.go
@@ -36,7 +36,10 @@ func updateCmd() *cmdBuilder.Cmd {
 					fmt.Println("There is a new version available:", latestVersion.TagName)
 					fmt.Println("Do you want to update? (y/n)")
 					var input string
-					fmt.Scanln(&input)
+					if _, err := fmt.Scanln(&input); err != nil {
+						fmt.Println("Failed to read input:", err)
+						return err
+					}
 
 					if input == "y" {
 						target := determineTargetArchitecture()
@@ -58,7 +61,7 @@ func updateCmd() *cmdBuilder.Cmd {
 }
 
 type GitHubRelease struct {
-	TagName string `json:"tag_name"`
+	TagName string `json:"tagName"`
 	Body    string `json:"body"`
 }
 
@@ -73,7 +76,7 @@ func getLatestGitHubRelease(ctx context.Context) (GitHubRelease, error) {
 		Timeout: 4 * time.Second,
 	}
 
-	req, err := http.NewRequestWithContext(ctx, "GET", apiURL, nil)
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, apiURL, nil)
 	if err != nil {
 		return GitHubRelease{}, err
 	}