diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..dc6364b
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,9 @@
+module git.sr.ht/~fnux/matrix-alertmanager-receiver
+
+go 1.13
+
+require (
+	github.com/BurntSushi/toml v0.3.1
+	github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16
+	github.com/prometheus/alertmanager v0.21.0
+)