diff --git a/go.mod b/go.mod
index 41279250b9..f0602e856c 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/letsencrypt/pkcs11key/v4 v4.0.0
 	github.com/lib/pq v1.10.9
 	github.com/prometheus/client_golang v1.19.0
-	github.com/prometheus/client_model v0.6.0
+	github.com/prometheus/client_model v0.6.1
 	github.com/pseudomuto/protoc-gen-doc v1.5.1
 	github.com/transparency-dev/merkle v0.0.2
 	go.etcd.io/etcd/client/v3 v3.5.13
diff --git a/go.sum b/go.sum
index 68655d378c..ae778ab1b2 100644
--- a/go.sum
+++ b/go.sum
@@ -542,8 +542,8 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH
 github.com/prometheus/client_golang v1.19.0 h1:ygXvpU1AoN1MhdzckN+PyD9QJOSD4x7kmXYlnfbA6JU=
 github.com/prometheus/client_golang v1.19.0/go.mod h1:ZRM9uEAypZakd+q/x7+gmsvXdURP+DABIEIjnmDdp+k=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/client_model v0.6.0 h1:k1v3CzpSRUTrKMppY35TLwPvxHqBu0bYgxZzqGIgaos=
-github.com/prometheus/client_model v0.6.0/go.mod h1:NTQHnmxFpouOD0DpvP4XujX3CdOAGQPoaGhyTchlyt8=
+github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
+github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
 github.com/prometheus/common v0.51.1 h1:eIjN50Bwglz6a/c3hAgSMcofL3nD+nFQkV6Dd4DsQCw=
 github.com/prometheus/common v0.51.1/go.mod h1:lrWtQx+iDfn2mbH5GUzlH9TSHyfZpHkSiG1W7y3sF2Q=
 github.com/prometheus/procfs v0.13.0 h1:GqzLlQyfsPbaEHaQkO7tbDlriv/4o5Hudv6OXHGKX7o=