diff --git a/docs/private-registries.md b/docs/private-registries.md
index 1852795..68fbe84 100644
--- a/docs/private-registries.md
+++ b/docs/private-registries.md
@@ -124,7 +124,7 @@ in a volume that may be mounted onto your watchtower container.
 
 1.  Create the Dockerfile (contents below):
     ```Dockerfile
-    FROM golang:1.16
+    FROM golang:1.17
     
     ENV GO111MODULE off
     ENV CGO_ENABLED 0