diff --git a/cmd/bucket-replication.go b/cmd/bucket-replication.go
index a5071df94..fef2e0d0e 100644
--- a/cmd/bucket-replication.go
+++ b/cmd/bucket-replication.go
@@ -287,7 +287,7 @@ func getCopyObjMetadata(oi ObjectInfo, dest replication.Destination) map[string]
 	if oi.UserTags != "" {
 		meta[xhttp.AmzObjectTagging] = oi.UserTags
 	}
-	meta[xhttp.MinIOSourceMTime] = oi.ModTime.Format(time.RFC3339)
+	meta[xhttp.MinIOSourceMTime] = oi.ModTime.Format(time.RFC3339Nano)
 	meta[xhttp.MinIOSourceETag] = oi.ETag
 	meta[xhttp.AmzBucketReplicationStatus] = replication.Replica.String()
 	return meta
@@ -330,7 +330,7 @@ func putReplicationOpts(ctx context.Context, dest replication.Destination, objIn
 		putOpts.Mode = rmode
 	}
 	if retainDateStr, ok := objInfo.UserDefined[xhttp.AmzObjectLockRetainUntilDate]; ok {
-		rdate, err := time.Parse(time.RFC3339, retainDateStr)
+		rdate, err := time.Parse(time.RFC3339Nano, retainDateStr)
 		if err != nil {
 			return
 		}
diff --git a/cmd/object-api-options.go b/cmd/object-api-options.go
index a89c004c5..a793e331b 100644
--- a/cmd/object-api-options.go
+++ b/cmd/object-api-options.go
@@ -187,7 +187,7 @@ func delOpts(ctx context.Context, r *http.Request, bucket, object string) (opts
 
 	mtime := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
 	if mtime != "" {
-		opts.MTime, err = time.Parse(time.RFC3339, mtime)
+		opts.MTime, err = time.Parse(time.RFC3339Nano, mtime)
 		if err != nil {
 			return opts, InvalidArgument{
 				Bucket: bucket,
diff --git a/go.mod b/go.mod
index d507618e4..ddbd62d7a 100644
--- a/go.mod
+++ b/go.mod
@@ -46,7 +46,7 @@ require (
 	github.com/miekg/dns v1.1.35
 	github.com/minio/cli v1.22.0
 	github.com/minio/highwayhash v1.0.0
-	github.com/minio/minio-go/v7 v7.0.6
+	github.com/minio/minio-go/v7 v7.0.7-0.20201217170524-3baf9ea06f7c
 	github.com/minio/selfupdate v0.3.1
 	github.com/minio/sha256-simd v0.1.1
 	github.com/minio/simdjson-go v0.1.5
diff --git a/go.sum b/go.sum
index 82128fe1c..a7d7c3465 100644
--- a/go.sum
+++ b/go.sum
@@ -401,8 +401,8 @@ github.com/minio/highwayhash v1.0.0 h1:iMSDhgUILCr0TNm8LWlSjF8N0ZIj2qbO8WHp6Q/J2
 github.com/minio/highwayhash v1.0.0/go.mod h1:xQboMTeM9nY9v/LlAOxFctujiv5+Aq2hR5dxBpaMbdc=
 github.com/minio/md5-simd v1.1.0 h1:QPfiOqlZH+Cj9teu0t9b1nTBfPbyTl16Of5MeuShdK4=
 github.com/minio/md5-simd v1.1.0/go.mod h1:XpBqgZULrMYD3R+M28PcmP0CkI7PEMzB3U77ZrKZ0Gw=
-github.com/minio/minio-go/v7 v7.0.6 h1:9czXaG0LEZ9s74smSqy0rm034MxngQoP6HTTuSc5GEs=
-github.com/minio/minio-go/v7 v7.0.6/go.mod h1:HcIuq+11d/3MfavIPZiswSzfQ1VJ2Lwxp/XLtW46IWQ=
+github.com/minio/minio-go/v7 v7.0.7-0.20201217170524-3baf9ea06f7c h1:NgTbI1w/B+2Jcl+YKTULAAXqkwWqMZbkzmVdWNwzKnA=
+github.com/minio/minio-go/v7 v7.0.7-0.20201217170524-3baf9ea06f7c/go.mod h1:pEZBUa+L2m9oECoIA6IcSK8bv/qggtQVLovjeKK5jYc=
 github.com/minio/selfupdate v0.3.1 h1:BWEFSNnrZVMUWXbXIgLDNDjbejkmpAmZvy/nCz1HlEs=
 github.com/minio/selfupdate v0.3.1/go.mod h1:b8ThJzzH7u2MkF6PcIra7KaXO9Khf6alWPvMSyTDCFM=
 github.com/minio/sha256-simd v0.1.1 h1:5QHSlgo3nt5yKOJrC7W8w7X+NFl8cMPZm96iu8kKUJU=