diff --git a/NEWS.md b/NEWS.md
index 4b26efd..b6e348f 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -5,6 +5,7 @@
 ### Added
 
 * Optional `defaultTextEncoding` parameter in the `ChecksumValidator` constructor
+* Access to the underlying `ChecksumValidator` class
 
 ## [1.0.0] - 2016-09-05
 
diff --git a/index.js b/index.js
index 6ef7ca6..020518d 100644
--- a/index.js
+++ b/index.js
@@ -158,6 +158,7 @@ let sumchecker = function sumchecker (algorithm, checksumFilename, baseDir, file
 
 sumchecker.ChecksumMismatchError = ChecksumMismatchError
 sumchecker.ChecksumParseError = ChecksumParseError
+sumchecker.ChecksumValidator = ChecksumValidator
 sumchecker.NoChecksumFoundError = NoChecksumFoundError
 
 module.exports = sumchecker