diff --git a/plugins/license-headers/src/main/java/co/elastic/gradle/license_headers/LicenseCheckUtils.java b/plugins/license-headers/src/main/java/co/elastic/gradle/license_headers/LicenseCheckUtils.java
index 162494b0..562fa3f5 100644
--- a/plugins/license-headers/src/main/java/co/elastic/gradle/license_headers/LicenseCheckUtils.java
+++ b/plugins/license-headers/src/main/java/co/elastic/gradle/license_headers/LicenseCheckUtils.java
@@ -28,6 +28,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Stream;
 
 public class LicenseCheckUtils {
 
@@ -36,8 +37,8 @@ public static Map<Path, ViolationReason> nonCompliantFilesWithReason(Path projec
 
         for (File file : files) {
             final String[] fileHeader;
-            try {
-                fileHeader = Files.lines(file.toPath()).limit(expectedHeader.length).toArray(String[]::new);
+            try (Stream<String> lines = Files.lines(file.toPath())) {
+                fileHeader = lines.limit(expectedHeader.length).toArray(String[]::new);
             } catch (IOException| UncheckedIOException e) {
                 throw new GradleException("Failed to read " + projectDir.relativize(file.toPath()), e);
             }