diff --git a/metrics-exporter-prometheus/Cargo.toml b/metrics-exporter-prometheus/Cargo.toml
index 1cab988..74f25a8 100644
--- a/metrics-exporter-prometheus/Cargo.toml
+++ b/metrics-exporter-prometheus/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "metrics-exporter-prometheus"
-version = "0.1.0-alpha.5"
+version = "0.1.0-alpha.6"
 authors = ["Toby Lawrence <toby@nuclearfurnace.com>"]
 edition = "2018"