diff --git a/README.md b/README.md
index bf21147..cd41a5f 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,9 @@ We run our own private registry on a server with limited storage and it was only
       
 ```
 
+## Proxy
+To access the target registry via proxy, set proxy environment variable(s) as described by Golang's [net/http package](https://pkg.go.dev/net/http#ProxyFromEnvironment).
+
 ## Registry preparation
 Deckschrubber uses the Docker Registry API. 
 Its delete endpoint is disabled by default, you have to enable it with the following entry in the registry configuration file: 
diff --git a/util/basicauthtransport.go b/util/basicauthtransport.go
index 1567e99..93d2310 100644
--- a/util/basicauthtransport.go
+++ b/util/basicauthtransport.go
@@ -25,6 +25,7 @@ func (t *BasicAuthTransport) RoundTrip(req *http.Request) (*http.Response, error
 
 func NewBasicAuthTransport(URL string, uname string, passwd string, insecure bool) *BasicAuthTransport {
 	baseTransport := &http.Transport{
+		Proxy:           http.ProxyFromEnvironment,
 		TLSClientConfig: &tls.Config{InsecureSkipVerify: insecure},
 	}