diff --git a/vendor/github.com/pkg/errors/errors.go b/vendor/github.com/pkg/errors/errors.go
index 75780c9..1c9731a 100644
--- a/vendor/github.com/pkg/errors/errors.go
+++ b/vendor/github.com/pkg/errors/errors.go
@@ -127,8 +127,10 @@ func (f *fundamental) Format(s fmt.State, verb rune) {
 			return
 		}
 		fallthrough
-	case 's', 'q':
+	case 's':
 		io.WriteString(s, f.msg)
+	case 'q':
+		fmt.Fprintf(s, "%q", f.msg)
 	}
 }
 
diff --git a/vendor/vendor.json b/vendor/vendor.json
index b489a74..f4c98a3 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -9,10 +9,10 @@
 			"revisionTime": "2016-08-02T13:28:18Z"
 		},
 		{
-			"checksumSHA1": "QoVjlQFru1ixgV8vh63T4/JAtLI=",
+			"checksumSHA1": "Hky3u+8Rqum+wB5BHMj0A8ZmT4g=",
 			"path": "github.com/pkg/errors",
-			"revision": "a22138067af1c4942683050411a841ade67fe1eb",
-			"revisionTime": "2016-08-08T05:55:40Z"
+			"revision": "17b591df37844cde689f4d5813e5cea0927d8dd2",
+			"revisionTime": "2016-08-22T09:00:10Z"
 		}
 	],
 	"rootPath": "github.com/jimeh/cloudflare-dyndns"