diff --git a/docs/check.Dockerfile b/docs/check.Dockerfile
index 4126bf2f7..45bacdbf4 100644
--- a/docs/check.Dockerfile
+++ b/docs/check.Dockerfile
@@ -1,5 +1,5 @@
 
-FROM alpine:3.10 as alpine
+FROM alpine:3.13 as alpine
 
 RUN apk --no-cache --no-progress add \
     libcurl \
diff --git a/docs/content/providers/kubernetes-gateway.md b/docs/content/providers/kubernetes-gateway.md
index f5247ec83..2c1d1bca4 100644
--- a/docs/content/providers/kubernetes-gateway.md
+++ b/docs/content/providers/kubernetes-gateway.md
@@ -145,7 +145,7 @@ _Optional, Default=empty_
 ```yaml tab="File (YAML)"
 providers:
   kubernetesGateway:
-    token = "mytoken"
+    token: "mytoken"
     # ...
 ```
 
diff --git a/docs/docs.Dockerfile b/docs/docs.Dockerfile
index 1905378db..177e3f9cc 100644
--- a/docs/docs.Dockerfile
+++ b/docs/docs.Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.12
+FROM alpine:3.13
 
 ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/.local/bin