diff --git a/cmd/manifest/manifest.go b/cmd/manifest/manifest.go
index 9f9d3a57..c2c2f3d7 100644
--- a/cmd/manifest/manifest.go
+++ b/cmd/manifest/manifest.go
@@ -72,6 +72,8 @@ func NewCommand(clients *shared.ClientFactory) *cobra.Command {
 			clients.Config.SetFlags(cmd)
 			return cmdutil.IsValidProjectDirectory(clients)
 		},
+		// DEPRECATED(semver:major): remove RunE so this command prints help like other parent commands
+		// and remove "manifest" from the ignore list in internal/update/update.go
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return runInfoCommand(cmd, clients)
 		},
diff --git a/internal/update/update.go b/internal/update/update.go
index 0498e611..1980fd02 100644
--- a/internal/update/update.go
+++ b/internal/update/update.go
@@ -19,11 +19,11 @@ import (
 	"net/http"
 	"os"
 	"reflect"
+	"strings"
 	"sync"
 	"time"
 
 	"github.com/slackapi/slack-cli/internal/api"
-	"github.com/slackapi/slack-cli/internal/goutils"
 	"github.com/slackapi/slack-cli/internal/shared"
 	"github.com/slackapi/slack-cli/internal/slackerror"
 	"github.com/spf13/cobra"
@@ -223,13 +223,30 @@ func (u *UpdateNotification) isCI() bool {
 
 // isIgnoredCommand returns true when the process is in the list of commands.
 func (u *UpdateNotification) isIgnoredCommand() bool {
-	ignoredCommands := []string{"_fingerprint", "api", "version"}
-	osStr := os.Args[0:]
-	if len(osStr) < 2 {
+	// "manifest" is included because it's an alias that runs "manifest info"
+	ignoredCommands := []string{"_fingerprint", "api", "manifest", "manifest info", "version"}
+	if len(os.Args) < 2 {
 		return false
 	}
-	commandName := osStr[1]
-	return goutils.Contains(ignoredCommands, commandName, true)
+	commandStr := strings.Join(os.Args[1:], " ")
+	for _, ignored := range ignoredCommands {
+		if commandStr == ignored {
+			return true
+		}
+		// Match commands with additional flags (e.g. "manifest info --source local")
+		// but not subcommands (e.g. "manifest validate" should not match "manifest")
+		if strings.HasPrefix(commandStr, ignored+" ") {
+			rest := commandStr[len(ignored)+1:]
+			if strings.HasPrefix(rest, "-") {
+				return true
+			}
+			// Allow prefix match for multi-word commands (e.g. "manifest info --flag")
+			if strings.Contains(ignored, " ") {
+				return true
+			}
+		}
+	}
+	return false
 }
 
 // isLastUpdateCheckedAtGreaterThan returns true when the time since the last update check is greater
diff --git a/internal/update/update_test.go b/internal/update/update_test.go
index f1e28ab6..5799e7b7 100644
--- a/internal/update/update_test.go
+++ b/internal/update/update_test.go
@@ -17,6 +17,7 @@ package update
 import (
 	"context"
 	"os"
+	"strings"
 	"testing"
 
 	"github.com/slackapi/slack-cli/internal/config"
@@ -165,6 +166,26 @@ func Test_UpdateNotification_isIgnoredCommand(t *testing.T) {
 			command:  "version",
 			expected: true,
 		},
+		"manifest command": {
+			command:  "manifest",
+			expected: true,
+		},
+		"manifest command with flags": {
+			command:  "manifest --source local",
+			expected: true,
+		},
+		"manifest info command": {
+			command:  "manifest info",
+			expected: true,
+		},
+		"manifest info command with flags": {
+			command:  "manifest info --source local",
+			expected: true,
+		},
+		"manifest validate command": {
+			command:  "manifest validate",
+			expected: false,
+		},
 		"auth command": {
 			command:  "auth",
 			expected: false,
@@ -172,7 +193,7 @@ func Test_UpdateNotification_isIgnoredCommand(t *testing.T) {
 	} {
 		t.Run(name, func(t *testing.T) {
 			if tc.command != "" {
-				os.Args = []string{"placeholder", tc.command}
+				os.Args = append([]string{"placeholder"}, strings.Split(tc.command, " ")...)
 			} else {
 				os.Args = []string{"placeholder"}
 			}