diff --git a/autorest/azure/rp.go b/autorest/azure/rp.go
index c6d39f686..5b52357f9 100644
--- a/autorest/azure/rp.go
+++ b/autorest/azure/rp.go
@@ -64,7 +64,7 @@ func DoRetryWithRegistration(client autorest.Client) autorest.SendDecorator {
 				if re.ServiceError != nil && re.ServiceError.Code == "MissingSubscriptionRegistration" {
 					regErr := register(client, r, re)
 					if regErr != nil {
-						return resp, fmt.Errorf("failed auto registering Resource Provider: %s. Original error: %s", regErr, err)
+						return resp, fmt.Errorf("failed auto registering Resource Provider: %s. Original error: %w", regErr, err)
 					}
 				}
 			}
diff --git a/autorest/go.mod b/autorest/go.mod
index 5c2ef4b8b..680b9676f 100644
--- a/autorest/go.mod
+++ b/autorest/go.mod
@@ -5,7 +5,7 @@ go 1.15
 require (
 	github.com/Azure/go-autorest v14.2.0+incompatible
 	github.com/Azure/go-autorest/autorest/adal v0.9.18
-	github.com/Azure/go-autorest/autorest/mocks v0.4.1
+	github.com/Azure/go-autorest/autorest/mocks v0.4.2
 	github.com/Azure/go-autorest/logger v0.2.1
 	github.com/Azure/go-autorest/tracing v0.6.0
 	github.com/golang-jwt/jwt/v4 v4.2.0 // indirect
diff --git a/autorest/go.sum b/autorest/go.sum
index 0ebf4d182..4bb88d68c 100644
--- a/autorest/go.sum
+++ b/autorest/go.sum
@@ -4,8 +4,9 @@ github.com/Azure/go-autorest/autorest/adal v0.9.18 h1:kLnPsRjzZZUF3K5REu/Kc+qMQr
 github.com/Azure/go-autorest/autorest/adal v0.9.18/go.mod h1:XVVeme+LZwABT8K5Lc3hA4nAe8LDBVle26gTrguhhPQ=
 github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
 github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
-github.com/Azure/go-autorest/autorest/mocks v0.4.1 h1:K0laFcLE6VLTOwNgSxaGbUcLPuGXlNkbVvq4cW4nIHk=
 github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
+github.com/Azure/go-autorest/autorest/mocks v0.4.2 h1:PGN4EDXnuQbojHbU0UWoNvmu9AGVwYHG9/fkDYhtAfw=
+github.com/Azure/go-autorest/autorest/mocks v0.4.2/go.mod h1:Vy7OitM9Kei0i1Oj+LvyAWMXJHeKH1MVlzFugfVrmyU=
 github.com/Azure/go-autorest/logger v0.2.1 h1:IG7i4p/mDa2Ce4TRyAO8IHnVhAVF3RFU+ZtXWSmf4Tg=
 github.com/Azure/go-autorest/logger v0.2.1/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
 github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=