diff --git a/docs/content/https/acme.md b/docs/content/https/acme.md
index 31e926c3f..89c32f0d2 100644
--- a/docs/content/https/acme.md
+++ b/docs/content/https/acme.md
@@ -350,7 +350,7 @@ For complete details, refer to your provider's _Additional configuration_ link.
 | [Exoscale](https://www.exoscale.com)                                   | `exoscale`         | `EXOSCALE_API_KEY`, `EXOSCALE_API_SECRET`, `EXOSCALE_ENDPOINT`                                                                                                                   | [Additional configuration](https://go-acme.github.io/lego/dns/exoscale)         |
 | [Fast DNS](https://www.akamai.com/)                                    | `fastdns`          | `AKAMAI_CLIENT_TOKEN`,  `AKAMAI_CLIENT_SECRET`,  `AKAMAI_ACCESS_TOKEN`                                                                                                           | [Additional configuration](https://go-acme.github.io/lego/dns/edgedns)          |
 | [Freemyip.com](https://freemyip.com)                                   | `freemyip`         | `FREEMYIP_TOKEN`                                                                                                                                                                 | [Additional configuration](https://go-acme.github.io/lego/dns/freemyip)         |
-| [G-Core Lab](https://gcorelabs.com/dns/)                               | `gcore`            | `GCORE_PERMANENT_API_TOKEN`                                                                                                                                                      | [Additional configuration](https://go-acme.github.io/lego/dns/gcore)            |
+| [G-Core](https://gcore.com/dns/)                                       | `gcore`            | `GCORE_PERMANENT_API_TOKEN`                                                                                                                                                      | [Additional configuration](https://go-acme.github.io/lego/dns/gcore)            |
 | [Gandi v5](https://doc.livedns.gandi.net)                              | `gandiv5`          | `GANDIV5_API_KEY`                                                                                                                                                                | [Additional configuration](https://go-acme.github.io/lego/dns/gandiv5)          |
 | [Gandi](https://www.gandi.net)                                         | `gandi`            | `GANDI_API_KEY`                                                                                                                                                                  | [Additional configuration](https://go-acme.github.io/lego/dns/gandi)            |
 | [Glesys](https://glesys.com/)                                          | `glesys`           | `GLESYS_API_USER`, `GLESYS_API_KEY`, `GLESYS_DOMAIN`                                                                                                                             | [Additional configuration](https://go-acme.github.io/lego/dns/glesys)           |
diff --git a/go.mod b/go.mod
index ffe9b35b9..2be3e70e9 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/docker/go-connections v0.4.0
 	github.com/fatih/structs v1.1.0
 	github.com/gambol99/go-marathon v0.0.0-20180614232016-99a156b96fb2
-	github.com/go-acme/lego/v4 v4.13.2
+	github.com/go-acme/lego/v4 v4.13.3
 	github.com/go-check/check v0.0.0-00010101000000-000000000000
 	github.com/go-kit/kit v0.10.1-0.20200915143503-439c4d2ed3ea
 	github.com/golang/protobuf v1.5.2
diff --git a/go.sum b/go.sum
index 6900c03ff..5d6500f24 100644
--- a/go.sum
+++ b/go.sum
@@ -682,8 +682,8 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.7.4/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
-github.com/go-acme/lego/v4 v4.13.2 h1:liIHWM9Wr3bmQ5s8UukfPhC4HOOaue9jRkUyrd8Dk7Y=
-github.com/go-acme/lego/v4 v4.13.2/go.mod h1:c/iodVGMeBXG/+KiQczoNkySo3YLWTVa0kiyeVd/FHc=
+github.com/go-acme/lego/v4 v4.13.3 h1:aZ1S9FXIkCWG3Uw/rZKSD+MOuO8ZB1t6p9VCg6jJiNY=
+github.com/go-acme/lego/v4 v4.13.3/go.mod h1:c/iodVGMeBXG/+KiQczoNkySo3YLWTVa0kiyeVd/FHc=
 github.com/go-asn1-ber/asn1-ber v1.3.1/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
 github.com/go-chi/chi/v5 v5.0.0/go.mod h1:BBug9lr0cqtdAhsu6R4AAdvufI0/XBzAQSsUqJpoZOs=
 github.com/go-cmd/cmd v1.0.5/go.mod h1:y8q8qlK5wQibcw63djSl/ntiHUHXHGdCkPk0j4QeW4s=