diff --git a/tools/log4shell/constants/version.go b/tools/log4shell/constants/version.go
index 4d07c2f07..67b072379 100644
--- a/tools/log4shell/constants/version.go
+++ b/tools/log4shell/constants/version.go
@@ -14,4 +14,4 @@
 //
 package constants
 
-const Version = "1.4.1"
+const Version = "1.4.2"
diff --git a/tools/log4shell/scan/scan.go b/tools/log4shell/scan/scan.go
index 1c7c149a0..835334264 100644
--- a/tools/log4shell/scan/scan.go
+++ b/tools/log4shell/scan/scan.go
@@ -203,6 +203,8 @@ func (s *Log4jDirectoryScanner) scanArchiveFile(
 			Msg("unable to open class file")
 		return
 	}
+	defer reader.Close()
+
 	return s.processArchiveFile(reader, path, file.Name)
 }