diff --git a/command/package.go b/command/package.go
index e61fd638..c20ee06e 100644
--- a/command/package.go
+++ b/command/package.go
@@ -41,12 +41,14 @@ func init() {
 	packageVersionCreateCmd.Flags().StringP("version-name", "m", "", "Version name (optional, defaults to version-number)")
 	packageVersionCreateCmd.Flags().StringP("version-description", "d", "", "Version description (optional, defaults to version-number)")
 	packageVersionCreateCmd.Flags().StringP("ancestor-id", "", "", "Ancestor version ID (optional)")
+	packageVersionCreateCmd.Flags().BoolP("no-ancestor", "", false, "Explicitly set ancestorId to an empty string")
 	packageVersionCreateCmd.Flags().StringArrayP("dependency", "", []string{}, "Subscriber Package Version ID (04t) dependency (can be specified multiple times)")
 	packageVersionCreateCmd.Flags().StringP("tag", "", "", "Tag to set on the Package2VersionCreateRequest")
 	packageVersionCreateCmd.Flags().BoolP("skip-validation", "s", false, "Skip validation")
 	packageVersionCreateCmd.Flags().BoolP("async-validation", "y", false, "Async validation")
 	packageVersionCreateCmd.Flags().BoolP("code-coverage", "c", true, "Calculate code coverage")
 	packageVersionCreateCmd.MarkFlagRequired("version-number")
+	packageVersionCreateCmd.MarkFlagsMutuallyExclusive("ancestor-id", "no-ancestor")
 
 	packageVersionReleaseCmd.Flags().StringP("version-id", "v", "", "Package Version ID (required)")
 	packageVersionReleaseCmd.MarkFlagRequired("version-id")
@@ -167,6 +169,7 @@ var packageVersionCreateCmd = &cobra.Command{
 		versionName, _ := cmd.Flags().GetString("version-name")
 		versionDescription, _ := cmd.Flags().GetString("version-description")
 		ancestorId, _ := cmd.Flags().GetString("ancestor-id")
+		noAncestor, _ := cmd.Flags().GetBool("no-ancestor")
 		dependencies, _ := cmd.Flags().GetStringArray("dependency")
 		tag, _ := cmd.Flags().GetString("tag")
 		skipValidation, _ := cmd.Flags().GetBool("skip-validation")
@@ -174,7 +177,7 @@ var packageVersionCreateCmd = &cobra.Command{
 		codeCoverage, _ := cmd.Flags().GetBool("code-coverage")
 
 		runCreatePackageVersion(path, packageId, namespace, versionNumber, versionName,
-			versionDescription, ancestorId, dependencies, tag, skipValidation, asyncValidation, codeCoverage)
+			versionDescription, ancestorId, noAncestor, dependencies, tag, skipValidation, asyncValidation, codeCoverage)
 	},
 }
 
@@ -572,7 +575,7 @@ func pollPackageUninstallStatus(requestId string) {
 }
 
 func runCreatePackageVersion(path string, packageId string, namespace string, versionNumber string,
-	versionName string, versionDescription string, ancestorId string, dependencies []string, tag string,
+	versionName string, versionDescription string, ancestorId string, noAncestor bool, dependencies []string, tag string,
 	skipValidation bool, asyncValidation bool, codeCoverage bool) {
 
 	// Use version-number as default for version-name and version-description if not provided
@@ -617,8 +620,12 @@ func runCreatePackageVersion(path string, packageId string, namespace string, ve
 		}
 	}
 
-	// If ancestor-id is not provided, query for the last released version
-	if ancestorId == "" {
+	if noAncestor {
+		ancestorId = ""
+	}
+
+	// If ancestor-id is not provided and --no-ancestor is not set, query for the last released version
+	if ancestorId == "" && !noAncestor {
 		query := fmt.Sprintf("SELECT Id FROM Package2Version WHERE Package2Id = '%s' AND IsReleased = true AND PatchVersion = 0 ORDER BY MajorVersion DESC, MinorVersion DESC, PatchVersion DESC, BuildNumber DESC LIMIT 1", packageId)
 		result, err := force.Query(query, func(options *lib.QueryOptions) {
 			options.IsTooling = true
@@ -849,7 +856,7 @@ func buildPackageVersionDescriptor(versionName string, versionNumber string, ver
 func pollPackageVersionStatus(requestId string) string {
 	query := fmt.Sprintf("SELECT Id, Status, Package2VersionId FROM Package2VersionCreateRequest WHERE Id = '%s'", requestId)
 
-	for i := 0; i < 120; i++ { // Poll for up to 10 minutes
+	for i := 0; i < 360; i++ { // Poll for up to 30 minutes (5 seconds * 360)
 		time.Sleep(5 * time.Second)
 
 		result, err := force.Query(query, func(options *lib.QueryOptions) {
@@ -894,7 +901,7 @@ func pollPackageVersionStatus(requestId string) string {
 		}
 	}
 
-	ErrorAndExit("Package version creation timed out")
+	ErrorAndExit("Package version creation timed out after 30 minutes")
 	return ""
 }
 
diff --git a/command/package_test.go b/command/package_test.go
index 22a46b39..003f658a 100644
--- a/command/package_test.go
+++ b/command/package_test.go
@@ -50,7 +50,7 @@ func Test_package_version_create_command_has_optional_flags(t *testing.T) {
 	cmd := packageVersionCreateCmd
 
 	// Test that optional flags exist
-	optionalFlags := []string{"version-name", "version-description", "ancestor-id", "dependency", "skip-validation", "async-validation", "code-coverage"}
+	optionalFlags := []string{"version-name", "version-description", "ancestor-id", "no-ancestor", "dependency", "skip-validation", "async-validation", "code-coverage"}
 
 	for _, flagName := range optionalFlags {
 		flag := cmd.Flags().Lookup(flagName)
@@ -60,6 +60,27 @@ func Test_package_version_create_command_has_optional_flags(t *testing.T) {
 	}
 }
 
+func Test_package_version_create_command_marks_ancestor_flags_mutually_exclusive(t *testing.T) {
+	cmd := packageVersionCreateCmd
+
+	for _, flagName := range []string{"ancestor-id", "no-ancestor"} {
+		flag := cmd.Flags().Lookup(flagName)
+		if flag == nil {
+			t.Fatalf("Flag %s not found", flagName)
+		}
+
+		annotations := flag.Annotations
+		if annotations == nil {
+			t.Fatalf("Flag %s is missing annotations", flagName)
+		}
+
+		values, ok := annotations["cobra_annotation_mutually_exclusive"]
+		if !ok || len(values) == 0 {
+			t.Fatalf("Flag %s is not marked mutually exclusive", flagName)
+		}
+	}
+}
+
 func Test_package_version_create_command_dependency_flag_is_repeatable(t *testing.T) {
 	cmd := packageVersionCreateCmd
 
diff --git a/docs/force_package_version_create.md b/docs/force_package_version_create.md
index 5db58ba1..20523536 100644
--- a/docs/force_package_version_create.md
+++ b/docs/force_package_version_create.md
@@ -13,6 +13,7 @@ force package version create [path] [flags]
   -y, --async-validation             Async validation
   -c, --code-coverage                Calculate code coverage (default true)
   -h, --help                         help for create
+      --no-ancestor                  Explicitly set ancestorId to an empty string
       --namespace string             Package namespace (alternative to --package-id)
   -i, --package-id string            Package ID (required if --namespace not provided)
   -s, --skip-validation              Skip validation
@@ -33,4 +34,3 @@ force package version create [path] [flags]
 ### SEE ALSO
 
 * [force package version](force_package_version.md)	 - Manage package versions
-