diff --git a/README.md b/README.md
index 4a684e5..ae2045c 100644
--- a/README.md
+++ b/README.md
@@ -240,7 +240,7 @@ To use `helmfmt` as a pre-commit hook, add the following to your `.pre-commit-co
 ```yaml
 repos:
   - repo: https://github.com/digitalstudium/helmfmt
-    rev: v0.4.1
+    rev: v0.4.2
     hooks:
       - id: helmfmt
 ```
diff --git a/VERSION b/VERSION
index 267577d..2b7c5ae 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.4.1
+0.4.2
diff --git a/main.go b/main.go
index a4fbf33..e91679e 100644
--- a/main.go
+++ b/main.go
@@ -109,19 +109,16 @@ func run() int {
 			stat, _ := os.Stdin.Stat()
 			stdinPiped := (stat.Mode() & os.ModeCharDevice) == 0
 
-			if stdinPiped {
-				// Process from stdin
-				if len(args) > 0 {
-					return fmt.Errorf("cannot specify files when reading from stdin")
-				}
-				return processStdin(config)
-			}
-
+			// If --files flag is used, process the provided files
 			if files {
-				// Files mode
 				if len(args) == 0 {
+					// --files with no args means read filenames from stdin (pre-commit style)
+					if stdinPiped {
+						return processFilesFromStdin(config, stdout)
+					}
 					return fmt.Errorf("--files requires at least one file argument")
 				}
+				// --files with args means process those files
 				exitCode := process(args, stdout, config)
 				if exitCode != 0 {
 					os.Exit(exitCode)
@@ -129,6 +126,11 @@ func run() int {
 				return nil
 			}
 
+			// If stdin is piped and no --files flag, process stdin as content
+			if stdinPiped && len(args) == 0 {
+				return processStdin(config)
+			}
+
 			// Chart mode
 			if len(args) != 1 {
 				return fmt.Errorf("chart mode requires exactly one chart path")
@@ -163,6 +165,33 @@ func run() int {
 	return 0
 }
 
+func processFilesFromStdin(config *Config, stdout bool) error {
+	// Read filenames from stdin (one per line)
+	input, err := io.ReadAll(os.Stdin)
+	if err != nil {
+		return fmt.Errorf("error reading from stdin: %w", err)
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(input)), "\n")
+	var filenames []string
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line != "" {
+			filenames = append(filenames, line)
+		}
+	}
+
+	if len(filenames) == 0 {
+		return fmt.Errorf("no files provided via stdin")
+	}
+
+	exitCode := process(filenames, stdout, config)
+	if exitCode != 0 {
+		os.Exit(exitCode)
+	}
+	return nil
+}
+
 func processStdin(config *Config) error {
 	// Read all input from stdin
 	input, err := io.ReadAll(os.Stdin)