diff --git a/go.mod b/go.mod
index 051abfbe7..53ad8bedf 100644
--- a/go.mod
+++ b/go.mod
@@ -21,7 +21,7 @@ require (
 	github.com/nmcclain/asn1-ber v0.0.0-20170104154839-2661553a0484
 	github.com/nmcclain/ldap v0.0.0-20210720162743-7f8d1e44eeba
 	github.com/pires/go-proxyproto v0.6.2
-	github.com/prometheus/client_golang v1.13.0
+	github.com/prometheus/client_golang v1.13.1
 	github.com/quasoft/memstore v0.0.0-20191010062613-2bce066d2b0b
 	github.com/sirupsen/logrus v1.9.0
 	github.com/stretchr/testify v1.8.1
diff --git a/go.sum b/go.sum
index e3ff1d605..405d3c07d 100644
--- a/go.sum
+++ b/go.sum
@@ -305,8 +305,8 @@ github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5Fsn
 github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
 github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
 github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
-github.com/prometheus/client_golang v1.13.0 h1:b71QUfeo5M8gq2+evJdTPfZhYMAU0uKPkyPJ7TPsloU=
-github.com/prometheus/client_golang v1.13.0/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ=
+github.com/prometheus/client_golang v1.13.1 h1:3gMjIY2+/hzmqhtUC/aQNYldJA6DtH3CgQvwS+02K1c=
+github.com/prometheus/client_golang v1.13.1/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=