diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..b426f64
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,4 @@
+# Puts the Sponsor button on the repository page. Enabling GitHub Sponsors on
+# the account does not do this on its own: the button only appears when a repo
+# carries this file.
+github: blitzcrieg1