diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..b9b7cf6
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1 @@
+github: [tagadvance]
diff --git a/README.md b/README.md
index e3fa7e4..3c0c89c 100644
--- a/README.md
+++ b/README.md
@@ -167,3 +167,7 @@ Do not benchmark against `test/fixtures/N51E000.hgtz`. Its samples are a
 synthetic pattern that compresses to almost no sequences, and decode cost
 tracks sequence count, so it reads about six times too fast. That mistake was
 made once already.
+
+---
+
+If this saved you some time, please consider [sponsoring the work](https://github.com/sponsors/tagadvance).