diff --git a/vendor.conf b/vendor.conf
index 98689adeda..83bedfb439 100755
--- a/vendor.conf
+++ b/vendor.conf
@@ -17,7 +17,7 @@ github.com/dgrijalva/jwt-go                         a2c85815a77d0f951e33ba4db5ae
 github.com/docker/compose-on-kubernetes             cc4914dfd1b6684a9750a59f3613fc0a95291824 # v0.4.23
 github.com/docker/distribution                      0d3efadf0154c2b8a4e7b6621fff9809655cc580
 github.com/docker/docker                            3998dffb806f3887f804b813069f59bc14a7f3c1
-github.com/docker/docker-credential-helpers         8a9f93a99ff87f416cc79f267c68151af0026f60 # v0.6.2
+github.com/docker/docker-credential-helpers         54f0238b6bf101fc3ad3b34114cb5520beb562f5 # v0.6.3
 github.com/docker/go                                d30aec9fd63c35133f8f79c3412ad91a3b08be06 # Contains a customized version of canonical/json and is used by Notary. The package is periodically rebased on current Go versions.
 github.com/docker/go-connections                    7395e3f8aa162843a74ed6d48e79627d9792ac55 # v0.4.0
 github.com/docker/go-events                         9461782956ad83b30282bf90e31fa6a70c255ba9
diff --git a/vendor/github.com/docker/docker-credential-helpers/credentials/version.go b/vendor/github.com/docker/docker-credential-helpers/credentials/version.go
index ecc23e68b9..c2cc3e2e02 100644
--- a/vendor/github.com/docker/docker-credential-helpers/credentials/version.go
+++ b/vendor/github.com/docker/docker-credential-helpers/credentials/version.go
@@ -1,4 +1,4 @@
 package credentials
 
 // Version holds a string describing the current version
-const Version = "0.6.2"
+const Version = "0.6.3"
diff --git a/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.c b/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.c
index f84d61ee5d..845012bd91 100644
--- a/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.c
+++ b/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.c
@@ -224,5 +224,4 @@ void freeListData(char *** data, unsigned int length) {
      for(int i=0; i<length; i++) {
         free((*data)[i]);
      }
-     free(*data);
 }
diff --git a/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.go b/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.go
index da57d00c41..6c8ac57165 100644
--- a/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.go
+++ b/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.go
@@ -109,6 +109,8 @@ func (h Osxkeychain) List() (map[string]string, error) {
 	defer C.free(unsafe.Pointer(acctsC))
 	var listLenC C.uint
 	errMsg := C.keychain_list(credsLabelC, &pathsC, &acctsC, &listLenC)
+	defer C.freeListData(&pathsC, listLenC)
+	defer C.freeListData(&acctsC, listLenC)
 	if errMsg != nil {
 		defer C.free(unsafe.Pointer(errMsg))
 		goMsg := C.GoString(errMsg)
@@ -119,9 +121,6 @@ func (h Osxkeychain) List() (map[string]string, error) {
 		return nil, errors.New(goMsg)
 	}
 
-	defer C.freeListData(&pathsC, listLenC)
-	defer C.freeListData(&acctsC, listLenC)
-
 	var listLen int
 	listLen = int(listLenC)
 	pathTmp := (*[1 << 30]*C.char)(unsafe.Pointer(pathsC))[:listLen:listLen]
diff --git a/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.c b/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.c
index 35dea92da5..73502a2ece 100644
--- a/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.c
+++ b/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.c
@@ -158,5 +158,4 @@ void freeListData(char *** data, unsigned int length) {
 	for(i=0; i<length; i++) {
 		free((*data)[i]);
 	}
-	free(*data);
 }
diff --git a/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.go b/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.go
index 383b0c2465..26efc0d123 100644
--- a/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.go
+++ b/vendor/github.com/docker/docker-credential-helpers/secretservice/secretservice_linux.go
@@ -92,12 +92,12 @@ func (h Secretservice) List() (map[string]string, error) {
 	defer C.free(unsafe.Pointer(acctsC))
 	var listLenC C.uint
 	err := C.list(credsLabelC, &pathsC, &acctsC, &listLenC)
+	defer C.freeListData(&pathsC, listLenC)
+	defer C.freeListData(&acctsC, listLenC)
 	if err != nil {
 		defer C.g_error_free(err)
 		return nil, errors.New("Error from list function in secretservice_linux.c likely due to error in secretservice library")
 	}
-	defer C.freeListData(&pathsC, listLenC)
-	defer C.freeListData(&acctsC, listLenC)
 
 	resp := make(map[string]string)