diff --git a/.mailmap b/.mailmap
new file mode 100644
index 0000000..e002fbd
--- /dev/null
+++ b/.mailmap
@@ -0,0 +1 @@
+Delta Regeer <xistence@0x58.com> <xistence@0x58.com>
diff --git a/MANIFEST.in b/MANIFEST.in
index 862221b..75662d3 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -12,6 +12,7 @@ include CHANGES.rst
 
 include setup.cfg pyproject.toml
 include .coveragerc .flake8
+include .mailmap
 include tox.ini rtd.txt
 
 recursive-exclude * __pycache__ *.py[cod]