diff --git a/cmd/fmt/fmt.go b/cmd/fmt/fmt.go
index 0dddd04..972cb34 100644
--- a/cmd/fmt/fmt.go
+++ b/cmd/fmt/fmt.go
@@ -10,7 +10,7 @@ func NewCommand() *cobra.Command {
 	return &cobra.Command{
 		Use:     "fmt",
 		Short:   "Format a .env file",
-		Args:    cobra.NoArgs,
+		Args:    cobra.ExactArgs(0),
 		GroupID: "manipulate",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			filename := cmd.Flag("file").Value.String()
diff --git a/cmd/groups/groups.go b/cmd/groups/groups.go
index f961b32..025dbc4 100644
--- a/cmd/groups/groups.go
+++ b/cmd/groups/groups.go
@@ -15,7 +15,7 @@ func NewCommand() *cobra.Command {
 	return &cobra.Command{
 		Use:     "groups",
 		Short:   "Print groups found in the .env file",
-		Args:    cobra.NoArgs,
+		Args:    cobra.ExactArgs(0),
 		GroupID: "output",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			filename := cmd.Flag("file").Value.String()
diff --git a/cmd/json/json.go b/cmd/json/json.go
index 4baa465..38ae374 100644
--- a/cmd/json/json.go
+++ b/cmd/json/json.go
@@ -12,7 +12,7 @@ func NewCommand() *cobra.Command {
 	return &cobra.Command{
 		Use:     "json",
 		Short:   "Print as JSON",
-		Args:    cobra.NoArgs,
+		Args:    cobra.ExactArgs(0),
 		GroupID: "output",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			filename := cmd.Flag("file").Value.String()
diff --git a/cmd/print/print.go b/cmd/print/print.go
index 15f4d41..b2773a7 100644
--- a/cmd/print/print.go
+++ b/cmd/print/print.go
@@ -14,7 +14,7 @@ func NewCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "print",
 		Short:   "Print environment variables",
-		Args:    cobra.NoArgs,
+		Args:    cobra.ExactArgs(0),
 		GroupID: "output",
 		RunE:    runE,
 	}
diff --git a/cmd/update/update.go b/cmd/update/update.go
index c35b974..7cd0625 100644
--- a/cmd/update/update.go
+++ b/cmd/update/update.go
@@ -22,7 +22,7 @@ func NewCommand() *cobra.Command {
 		Use:     "update",
 		Short:   "Update the .env file from a source",
 		GroupID: "manipulate",
-		Args:    cobra.NoArgs,
+		Args:    cobra.ExactArgs(0),
 		RunE:    runE,
 	}
 
diff --git a/cmd/validate/validate.go b/cmd/validate/validate.go
index 26749d1..0d47611 100644
--- a/cmd/validate/validate.go
+++ b/cmd/validate/validate.go
@@ -17,7 +17,7 @@ func NewCommand() *cobra.Command {
 		Use:     "validate",
 		Short:   "Validate an .env file",
 		GroupID: "output",
-		Args:    cobra.NoArgs,
+		Args:    cobra.ExactArgs(0),
 		RunE:    runE,
 	}