diff --git a/go.mod b/go.mod
index a83cc7121..b0adf2b78 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/blang/semver/v4 v4.0.0
 	github.com/go-kit/log v0.2.1
 	github.com/lib/pq v1.10.9
-	github.com/prometheus/client_golang v1.17.0
+	github.com/prometheus/client_golang v1.21.1
 	github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16
 	github.com/prometheus/common v0.44.0
 	github.com/prometheus/exporter-toolkit v0.10.0