diff --git a/README.md b/README.md
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@@ -614,6 +614,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 *Libraries for handling files and file systems.*
 
 * [afero](https://github.com/spf13/afero) - FileSystem Abstraction System for Go.
+* [checksum](https://github.com/codingsince1985/checksum) - Compute message digest, like MD5 and SHA256, for large files.
 * [flop](https://github.com/homedepot/flop) - File operations library which aims to mirror feature parity with [GNU cp](https://www.gnu.org/software/coreutils/manual/html_node/cp-invocation.html).
 * [go-csv-tag](https://github.com/artonge/go-csv-tag) - Load csv file using tag.
 * [go-decent-copy](https://github.com/hugocarreira/go-decent-copy) - Copy files for humans.